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😀 | Poor."Necessary way of thinking" to throw away things that are full of memories [Throw away XNUMX% of things that you don't need in a month ...


I'm sorry."Necessary way of thinking" to throw away things that are full of memories [Throw away XNUMX% of things that you don't need in a month ...

If you write the contents roughly
I will deliver "My Decluttering" (Kodansha) in all 8 times!

The end of the year is approaching and it is the season for cleaning.Even if I think I have to clean up, I'm heavy ... I think there are many people like that ... → Continue reading

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"My Navi Woman" is a comprehensive female site operated by My Navi Co., Ltd. We provide information on working women's romance and trends, as well as tips for solving the problems of life, such as marriage, pregnancy and childbirth, which are unique to women. It is a medium that provides working women with various forms of happiness and navigates changes that take a step forward.

Wikipedia related words

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SeparationWhat is (dashing)?

  1. Masahiro OkiAdvocated byyogaThought of[1].1976/Book "Yoga Concept and Training Method Vol. XNUMX"[2]The word "decluttering" is used in.
  2. 作家The idea of ​​reducing unnecessary things and bringing harmony to life, which is advocated and registered as a trademark.This section mainly explains this.

Thought of decluttering

Each letter of "decluttering" is a yogaPractice(Gyoho)Decisive action(Dangyo) ・Discard(Shagyo) ・DepartureCorresponding to (Rigyo)

  1. Decline: Refuse unnecessary things that are likely to be newly obtained
  2. Discard: Throw away unnecessary things that are always in your house.
  3. Separation: To thingsAttachmentGet away from.

It means that.

In other words, "decluttering" means "cutting off" and "discarding" unnecessary things, and "leaving" from attachment to things.Wasteful"StereotypeThe idea is to open up the mind that has been entrenched in the world and to obtain a light and comfortable life and life.It is not just tidying up because it is based on yoga practice.

I did2009/"New tidying up technique decluttering" published inMagazine house) Made it popular.Yata is the same book and his own officialWebsiteIn, "advocate of decluttering"[3]"And ownBlogIn his profile, "Decluttering"[4]In the introduction of the contents of the book, "The creator of decluttering"[5]".

"Decluttering" due to the hit of Yata's bookBuzzwordNext2010/ToNew Word/Buzzword AwardWas nominated by[6].. "Declutteringboom, And many other authors have published books dealing with decluttering.work[7],Human relations[8][9]A book has also been published that recommends the practice of decluttering.

People who practice decluttering are called "Dansharian"[10](Depending on the author, it may be written in Kanji as "Decluttering Anne").Also"MinimalistThere is a clear distinction between a minimalist who seeks to "minimize" his possessions and a Dansharian who seeks to "optimize" his possessions.[10].

Background of thought

I did itmotherHas a personality of storing things without throwing them away, so he bought more storage furniture to clean up and made the room even smaller, saying, "I can't clean up, the house is small."complaintsWas repeatedly spilling[11]..When she saw her mother, she wondered, "Why don't you realize that reducing things will solve the problem?"[11]..Then, he noticed that the tidying up technique advocated by conventional books was biased toward the storage technique, and he came to the "idea of ​​decluttering" through yoga.[11]..I'm worried about storing things, so by throwing away the things I've stored,Behavior therapyIf you can eliminate anxiety like[11].

In this way the motherOn the other hand, a teacherBased on his experience, he said, "There is no one who has no clue about his parents."[11],parentIt also mentions the importance of "breaking" attachment to[11]..Women's magazine "Public opinion"Special issue(2013/In the special feature "Unraveling'Mother's Curse'by Decluttering" in the April 4 issue)Sayoko Nobuta"Decluttering is a struggle for a daughter to survive."Conversation official[9].

In addition, 東洋 経 済 オ ン ラ イ ンAtIwasaki NatsumiIn the conversation with, from busy2015/From the experience of getting sick, he said, "I realized that in order to protect my physical and mental health, it is also necessary to cut off the sense of responsibility and'obsession with busyness'."[11].

Disregarded trademark rights

"Decluttering"商標I have registered. [12] Patent OfficeIn products such as books and electronic publications, "If a trademark is recognized as ... a copyrighted work ... clearly recognizing a certain content, it is judged that the" quality "of the product is displayed."[13]And

The trademark right does not take effect in any case against the use of the word "decluttering" for the purpose of explaining the idea of ​​"decluttering" and the brand owned by Yata.[14]..He forbids the commercial use of the word "decluttering" on his website, but allows him to personally talk about his experience of decluttering.HoweverTrademark lawIt is impossible to ban such an act, and it is allowed before getting permission from him.


In some cases, being so conscious of decluttering that the property of the family living together is thrown away or sold without permission, the wife throws away the precious collection of her husband (and vice versa) without consent. For example, parents throw away the memorable items that they cherished.divorceProblems (especiallyDivorce mediationAnd divorce in court)[15][Reliability required verification].

There are criticisms of "decluttering" due to troubles caused by such misunderstandings, but in response to this, "it is not decluttering to throw away other people's things including family members without permission" "cooperation with co-residents" Do not expect or persuade[16]"It is important for couples who share the same living space to come to terms with their values."[11]And insists that decluttering is something that you and your property do.[16].

In addition, Epidemic of new coronavirus infectionDue to the deterioration of availability of groceries and daily necessities,StockpilingThe demerit of living without living has been highlighted. There are some minimalists who have changed their minds and will work on stockpiling in the future.PrepperSome expect it to increase[17][Reliability required verification].


[How to use footnotes]
  1. ^ Oki yoga no kanga ekata to shugyō hō. 1. Oki, Masahiro, 1921-1985., Masahiro Oki, 1921-1985 .. Takei Publishing. (1987). ISBN 4884740394. OCLC 674045906. https://www.worldcat.org/oclc/674045906 
  2. ^ Oki yoga no kanga ekata to shugyō hō. 1. Oki, Masahiro, 1921-1985., Oki, Masahiro, 1921-1985 .. Takei Publishing. (1987). ISBN 4884740394. OCLC 674045906. https://www.worldcat.org/oclc/674045906 
  3. ^ "Cut and Drop ® Hideta Yamada Official Website". Cut and Drop ® Hideta Yamada Official Website. 2019/6/16Browse.
  4. ^ "Disconnection @ Yasita Hideko's Profile Page”(Japanese). profile.ameba.jp. 2019/6/16Browse.
  5. ^ Tatsumura, Osamu .; Osamu Tatsumura. (2013). Densetsu no yoga masutā ga oshiete kureta kyÅ«ky oku no ikiru chie. Yamashita, Hideko., Hideko Yamashita .. Tōkyō: PÄ«ei chipÄ« editāzu gurÅ«pu. ISBN 9784569812588. OCLC 848599376. https://www.worldcat.org/oclc/848599376 
  6. ^ ""Fundamental knowledge and selection of modern vocabulary Yu Can New and Buzzword Award 27th 2010"". 2019/8/2Browse.
  7. ^ Tasaki (2010)
  8. ^ Mukaidani (2011)
  9. ^ a b Women's Public Theory (2013)
  10. ^ a b Hideko Yamashita. “In relation to the "optimal" amount, not the minimum or maximum-why Dansharian is different from the minimalist". Yahoo! News Individual. 2016/7/7Browse.
  11. ^ a b c d e f g h Hideko YamashitaIwasaki Natsumi (October 2015, 5). “"Decluttering" and "Hayakatsu" will dramatically change your life | Home”(Japanese). 東洋 経 済 オ ン ラ イ ン. 2020/12/21Browse.
  12. ^ "Trademark registration No. 4787094”(Japanese). 2021/11/28Browse. "Trademark registration No. 5412928”(Japanese). 2021/11/28Browse. "Trademark registration No. 5582468”(Japanese). 2021/11/28Browse. "Trademark registration No. 5909022”(Japanese). 2021/11/28Browse. "Trademark registration No. 5948115”(Japanese). 2021/11/28Browse. "Trademark registration No. 6367114”(Japanese). 2021/11/28Browse.
  13. ^ "JPO “Trademark Examination Standard 14th Edition Article 3 Paragraph 1 Item 3””(Japanese). 2019/8/12Browse.
  14. ^ Trademark Law Article 26 Paragraph 1, Item 2, Item 3, Item 4, Item 6
  15. ^ "Divorce because of decluttering?About the legal liability of a wife who abandoned her husband's things without permission”(Japanese). Very Best Law Firm. 2020/12/20Browse.
  16. ^ a b Decluttering [Official official page] Do not "expect" or "persuade" your roommate Hideko Yamashita Facebook
  17. ^ “Minimalists will quit” one after another in the new Corona “Why regret that bothered others”. Real live (Real Live). (November 2020, 7). http://www.npn.co.jp/article/detail/200005975 2020/7/25Browse. 


  • Hideko YAMATA, "New Clean-up Technique "Separation"" Magazine House, 2009,ISBN 4838720521
  • Hideta Yamata and Ryu Nakamura “Disintegration: Why are “people who can't be discarded” easily become “depression”?-People who are obsessed with beliefs” Shufu no Tomosha, 2012ISBN 4072844284
  • Atsuko Suzuki, Nobuko Kawabata "Let's become a cut-off Anne! Fortune comes when you throw away things" Discover Twenty-One, 2010,ISBN 4887598874
  • Masami Tasaki "Recommendations for cut-off thinking for business people" Dobunkan Publishing, 2010,ISBN 4495591517
  • Tadashi Mukaitani, "Separation of People from Age 50", Tatsumi Publishing, 2011,ISBN 4777809722
  • Public opinionHen "Unraveling" Mother's Curse "by Decluttering" Fujin Koron Special Edition, April 2013, 4

Related item


Kodansha Inc.(This isBritish: Kodansha Ltd.) IsTokyoBunkyoOtowa [2]Headquartered inJapanThe major comprehensiveInfomationIs.Affiliated company group "Otowa GroupThe core company.


Founder'sSeiji NomaBy1909/(Meiji42 years)11"Dainippon YutakaEstablished as (Dai Nippon Yubenkai). at firstargumentThe magazine "Yuu"PublicationWas. The name of "Kodansha" is as it is named "TalkIs derived fromKodan ClubWas published1911/Used in combination with Dainippon Yutsukai from (Meiji 44)[3].critic OfTokutomi SohoIt is,PrewarKodansha, which had a great influence on boys and young people inMinistry of Education”[4].

1938/(Showa13 years) in FebruaryHisashi NomaBecame the second presidentLtd.Reorganized in November of the same yearSae NomaBecame the third president.1945/(Showa 20)Shoichi NomaBecame the fourth president,1958/(Showa 33) renamed as "Kodansha Co., Ltd." afterwards1981/(Showa 56)Noma RyoudoIs the fifth president,1987/(Showa 62)Sawako NomaIs the fifth president,2011/(Heisei23 years)Nobuno NobunobuBecame the 7th president and continues to the present[3].

"Interesting and informativeFrom before the war, with the corporate philosophy of "Massesmagazine"キ ン グ"Shonen clubVarious magazines andBookWas published. 『Eiji YoshikawaComplete works"・"Japanese dictionaryWhile publishing such asLiterature AwardPreside over.

Shogakukan-Shueisha(Both companiesHitotsubashi GroupIt is the largest publishing industry in Japan along with (belonging to), and at one point its annual sales exceeded 2000 billion yen.However, in recent years, the so-called "Publication depressionSales decreased due to2002/In (14), it became the first deficit settlement after the war. In addition, although Shogakukan had a difference of about 500 billion yen at its peak,2006/(18) sales fell to 1456 billion yen and was overtaken by Shogakukan, which sold 1470 billion yen.[5].2007/It exceeded that Shogakukan in (19),2009/After (21), it was overtaken by Shueisha.2016/Since 28, the sales of both companies have again exceeded.

2002 (Heisei 14) and 2006 (Heisei 18)FIFA World CupAt the time of each, as a FIFA official book,2002 FIFA World Cup"Official Guidebook", "Official Program", "Official Photobook" (omnibus),2006 FIFA World CupWe publish "official guidebook" and "official omnibus".

1982/Since then, it's a gravure miss contestMiss MagazineWas held with several cancellations in between,2012/From now on, women not limited to gravureIdolauditionIsMiss iDIs being held.

デ ィ ズ ニ ーI have the right to publish books that use characters,Tokyo Disney ResortOfficialsponsorAsTokyo DisneylandToToontown,Tokyo Disney SeaToLegend of Mishka(Discontinued due to the end of the show on September 2014, 9),Turtle talk(From September 2014, 9)[6][7].

In addition, 2021/(ReiwaFrom 3 years)United Kingdom Ofサ ッ カ ーteam·Liverpool FCAnd Official GlobalpartnershipHave a contract[8].

In front of the main buildingTokyo MetroGokokuji StationThere is No. 6 entrance.


  • 1909/(Meiji42)-First presidentSeiji NomaEstablished Dai Nippon Yukai in Komagome-Sakashita-cho, Hongo-ku (currently Sendagi, Bunkyo-ku).
  • 1910/(43th year of Meiji)- Dainippon BooksFirst issue of "Oben" as the publisher.
  • 1911/(44th year of Meiji)-Raised KodanshaKodan Club] Is published.
  • 1914/(Taisho3 years) - "Shonen club] Is published.
  • 1920/(Taisho 9)-"Modern" "Ladies' Club] Is published.
  • 1924/(13th year of Taisho)-"キ ン グ] Is published.
  • 1925/(14th year of Taisho)-Renamed the company name to Yundan Kodansha Japan.
  • 1931/(Showa6 years)-Record section (currentlyKing recordEstablished).
  • 1933/(Showa 8)-Head office moved to Otowa Town, Koishikawa Ward (currently Otowa, Bunkyo Ward).
  • 1938/(Showa 13)- Hisashi NomaAppointed as the 2nd president (December in November).Sae Noma, Became the third president. OrganizationLtd.And
  • 1945/(20)-Nihon Press changed its articles of incorporation,Kobunsha Publishing Co., Ltd.Established.Shoichi Noma, Became the 4th president.
  • 1946/(Showa 21)-Established Toyokuni Printing.
  • 1952/(Showa 27)-Established Daiichi Paper Industry.
  • 1954/(Showa 29)-Established Daiichi News Agency.
  • 1958/(33)-Changed the trade name to Kodansha Co., Ltd.
  • 1961/(36)-Established Otowa Service Center (currently Kodansha Business Partners). Shoichi Noma is appointed president, and the chairman of the International Association for Publishing Culture.
  • 1963/(Showa 38)-Established Kodansha International.
  • 1964/(39)-Established Otowa Building.
  • 1970/(Showa 45)-Established Kodansha Scientific.
  • 1972/(47)-Established Peck (currently Kodansha Editorial). Shoichi Noma became president and Vice Chairman of the International Union of Publishing.
  • 1975/(50)-Established Nikkan Gendai.
  • 1977/(Showa 52)-Established Sansusha (currently Kodansha BC).
  • 1981/(Showa 56)- Noma Ryoudo, Became the 5th president.
  • 1987/(62)-With the death of Nomichi Sora,Sawako NomaBecame the 6th president.
  • 2005/(Heisei17 years)-Kodansha (Beijing) Culture Co., Ltd. established.
  • 2008/(20)-Kodansha USA, established Kodansha USA Publishing.
  • 2009/(21)-100th anniversary. December 100th, the 12th anniversary, comes from the founder's birthday, Seiji Noma.[9].
  • 2010/(22)-Established Seikaisha.
  • 2011/(23)-With the death of Sawako Noma,Nobuno NobunobuIs appointed as the 7th president.Established Taiwan Kodansha Media Co., Ltd.
  • 2015/(27)-Established Kodansha Gakugei Create.Hurst Women's PictorialFormed a business alliance with and became the publisher of the magazine issued by the company.
  • 2016/(28) June- IchijinshaBecame a wholly owned subsidiary. 70th anniversary of the first appearance of the group. Head office, 50th anniversary in the United States.
  • 2017/(29) June- Polygon PicturesEstablished a joint venture, Kodansha VR Lab.
  • 2018/(30)
    • 3 month - pixivIn collaboration with the manga app "PalcyLaunched.
    • April-Matching manga posting site "DAYS NEO" opens[10].
  • 2019/(31) June- Weekly Shonen Magazine,Weekly Hyundai60th anniversary of the first issue.
  • 2020/(2nd year of Reiwa)
    • March --Started operation of Mixalive TOKYO[11]
    • September --Started "Kodansha Game Creators Lab", a project to support indie game creators[12]
  • 2021/(3nd year of Reiwa)
    • April --Started producing and using the first corporate logo for Kodansha, with the main purpose of making people aware that it is "Kodansha's work" when disseminating content overseas.The logo was createdNetflix,National geographic"Gretel", an American company that created logos such as.
    • September-A major online shopping companyAmazonとAgency companyStart direct transactions without going through[13].
  • 2022/(4nd year of Reiwa)
    • April-KPS Holdings Co., Ltd., a wholly owned subsidiary, merges with Toyokuni Printing Co., Ltd. and Daiichi Paper Industry Co., Ltd.[14][15]..Transferred all businesses other than the personal information handling business and real estate business of Kodansha Business Partners to KPS Holdings[16]
    • April-Established KPS Fulfillment Co., Ltd., KPS Systems Co., Ltd., KPS Solutions Co., Ltd., and KPS Products Co., Ltd. through the business split of KPS Holdings Co., Ltd.[17]


Settlement period (period)amount of salesOperating incomeOrdinary profitProfit before taxNet income
63rd period (December 2000, 12-November 1, 2001)176900 million yen3100 million yen700 million yen
64rd period (December 2001, 12-November 1, 2002)1712 million yen7 million yen▲1600 million yen
65rd period (December 2002, 12-November 1, 2003)1672 million yen14 million yen
66rd period (December 2003, 12-November 1, 2004)1598 million yen▲5 million yen▲7300 million yen
67rd period (December 2004, 12-November 1, 2005)1545 million yen77 million yen52 million yen
68rd period (December 2005, 12-November 1, 2006)1455 million yen31 million yen15 million yen
69rd period (December 2006, 12-November 1, 2007)1443 million yen▲3 million yen24 million yen2600 million yen10 million yen
70rd period (December 2007, 12-November 1, 2008)1350 million yen▲About 62 billion yen▲About 52 billion yen▲48 million yen▲76 million yen
71rd period (December 2008, 12-November 1, 2009)1245 million yen▲About 73 billion yen▲About 49 billion yen▲57 million yen
72rd period (December 2009, 12-November 1, 2010)1223 million yen▲18 billion600 million yen5 million yen
73rd period (December 2010, 12-November 1, 2011)1219 million yen200 million yen7 million yen1 million yen
74rd period (December 2011, 12-November 1, 2012)1178 million yen▲6 million yen10 million yen15 million yen
75rd period (December 2012, 12-November 1, 2013)1202 million yen24 million yen48 million yen32 million yen
76rd period (December 2013, 12-November 1, 2014)1190 million yen5300 million yen3800 million yen27 million yen
77rd period (December 2014, 12-November 1, 2015)1168 million yen34 million yen14 million yen
78rd period (December 2015, 12-November 1, 2016)1172 million yen27 million yen27 million yen
79rd period (December 2016, 12-November 1, 2017)1179 million yenApproximately 19 billion yen17 million yen17 million yen
80rd period (December 2017, 12-November 1, 2018)1204 million yen2200 million yen4700 million yen28 million yen
81rd period (December 2018, 12-November 1, 2019)1358 million yen8900 million yen11200 million yen72 million yen
82rd period (December 2019, 12-November 1, 2020)1449 million yen16000 million yen16300 million yen108 million yen
83rd period (December 2020, 12-November 1, 2021)1707 million yen21700 million yen24000 million yen23100 million yen155 million yen

Major published magazines

Women's magazine

Men's magazine/information magazine

Infant magazine

Women's comic magazine

Men comic magazine

Literary magazine

Other magazines

Magazines that were once published and sold

Main publications/labels

Literature/light novel


Children's book

Utility book

  • Health library

Complete works

  • All 50 volumes (1959-1962)


  • KodanshaJapanese dictionary Third edition
  • Kodansha color version Japanese dictionary second edition
  • Academic Bunko Japanese Dictionary Revised New Edition
  • Dictionary of correct Japanese notation and terms Second Edition


  • World Famous Liquor Encyclopedia
  • Cooking household account book
  • Simple pension household notes
  • Ramen Grand Prize
  • Separate Best Car

Comic book

Web media

Web services that have ended

LIVE entertainment

  • Mixalive TOKYO

Literature Award

The above is called the Noma Sansho.

Finished awards

Major bestsellers


After the war

Business withdrawn


Early Showa period,Doriko(Soft drinks, in modern timesNutrition Drink), And pharmaceuticals and nutritional foods such as ynol (gastrointestinal drug), trasin (common treatment), and pamir (eye drops) were sold through the agency.

Game software

  • Blue Almanac (1991 June 6,Mega drive) (Kodansha Research Institute)
  • Knight Legend (Mega Drive, July 1993, 7) (Kodansha Research Institute)
  • Destruction of the devil[24](Mega Drive, December 1993, 12) (Kodansha Research Institute)
  • UltramanPicture book (September 1996, 9,Sega Saturn)
  • Kindaichi Shonen Case Files Sorrow Island A new tragedy (November 1996, 11,PlayStation)
  • BOYS BE... (March 1997, 3, PlayStation)
  • The first step (March 1997, 7, PlayStation)
  • Alice on line B (March 1997, 9, PlayStation)
  • Ultraman Illustrated Book 2 (December 1997, 12, Sega Saturn)
  • Initial DGaiden (March 1998, 3,Game boy)
  • Kindaichi Shonen Case Files 2 Hell Amusement Park Murder Case (March 1998, 3, PlayStation)
  • Shura Gate (March 1998, 4, PlayStation)
  • Ultraman Illustrated Book 3 (December 1998, 6, Sega Saturn)
  • Initial D (Sega Saturn, June 1998, 6)
  • Shigeru Mizuki's youkai picture book Summary (1998 June 6, Sega Saturn)
  • Tsuntsugumi Suujide Puni Puni (September 1998, 9, PlayStation)
  • Danjyo Shotenkai-The legendary sword started! (March 1998, 10, PlayStation)
  • Tsun Tsungumi 2 Moji Moji Pakkun (November 1998, 11, PlayStation)
  • Initial D (January 1999, 1, PlayStation)
  • Tsuntongumi 3 Kanji Vader (January 1999, 1, PlayStation)
  • Psychomettler EIJI (March 1999, 2, PlayStation)
  • Spicaro Sentaro Puzzle Rice (February 1999, 2, PlayStation)
  • Premonition of excitement Hiroki YagamiGame-Taste (May 1999, 5, PlayStation)
  • Kindaichi Shonen's Case Files 3 -Seiryuu Legend Murder Case- (August 1999, 8, PlayStation)
  • BOYS BE… 2nd Season (September 1999, 9, PlayStation)
  • Onijo Castle (December 1999, 12, PlayStation)
  • Gaming Apocalypse Kaiji (March 2000, 5, PlayStation)
  • Silence fleet (March 2000, 9, PlayStation)
  • Naniwa Financial Road~Yuji AokiFor public breast computing ~ (July 2001, 7, PlayStation)
  • Magical Teacher Negima!FUN DISC Maho Ryo Festival (March 2006, 3,Microsoft Windows)

Relationship with broadcasting industry

Published by KodanshaWeekly HyundaiAnd 'FridayByNHKAnd eachCommercial station, OtherMedia(Mass media) Are often bashed, but they are published in magazines and publications issued by the company.Novel,ComicRegarding the relationship with the work itself, the relationship is not bad. After all, Kodansha has a large scale, and between departments (of novels and manga workscontentExcavationCopyrightIt is thought that the reason is that it is difficult to unify the tone due to the lack of horizontal connections between the management department and the news departments of "Weekly Hyundai" and "Friday".

Kodansha is also very active in visualizing popular works in collaboration with each broadcasting station (rival OfShogakukan,ShueishaThe same).


Main publications
Educational TV programs for infants (magazines)
* "With mom"("With NHK's mother])
* "peek-a-boo!("The first TV picture book isn't there!")
Information education program of general television
* "Explore roman world heritage"ofDVDProduction-Sale
* "It's a bit bad" (Naonori Isomura)
Others (Essay books by NHK announcer and caster at that time, including photos during program recording)
* "Recommendation" (Kenji Suzuki)
* "Studio 102Drama ”(Eiichi Takanashi)
* "How to enjoy NHK 10 times" (Miyazaki Midori)

Nippon TV

Hakone EkidenA relay guidebook has been published.


Kodansha isTBS TVIs the parent company ofTokyo Broadcasting HoldingsIs a major shareholder with a 1.98% stake in the company (as of March 2012, 3, the 9th largest shareholder ranking).

2000/In collaboration with both editorial departments of "Weekly Shonen Magazine" and "Weekly Young Magazine" published by Kodansha,Miss MagazineWas held until 2012[25].

2005/Is a record company affiliated with KodanshaKing recordHas a business tie-up.

2006/From April, with KodanshaTBSIs "Drama Original AwardWe are co-founding and discovering new dramas and writers[26].

2019/March, TBS affiliated stationEvery day broadcasting,DMM picturesIn partnership with the same station,Anime ismAnnounced that it will broadcast the anime based on Kodansha for two years.[27].

TV Asahi

KodanshaAsahi Shimbun,Toei,Kyushu Asahi BroadcastingNext toTV Asahi HoldingsIs a shareholder with a 1.36% stake. Former president Sawako Noma was outside of TV Asahi from June 1988 to June 6.Statutory AuditorWas serving.

Fuji Television Network, Inc

Literary work awardEdogawa Ranpo AwardBoth companies are listed as sponsors[28].

Live doorとFuji Television Network, IncWithNippon Broadcasting Stock Acquisition BattleIn doing so, Kodansha supported Fuji Television,Takeover bidIn (TOB)Nippon Broadcasting System, Inc.Sold the shares to Fuji Television.

Serialized in various magazines published by Kodansha (such as "Weekly Shonen Magazine" and "Morning")ComicBut on Fuji TVTV dramaIn many cases,

Nippon Cultural Broadcasting, Inc.

AffiliateKobunsha Publishing Co., Ltd.Is invested with. The third president of the company was from Kodansha.

Television Tokyo Channel 12, Ltd.

Kodansha's manga worksTelevision AnimationWhen theStar child)ButSoundtrackOften involved in production.

Suspicious news reports, scandals, etc.

Cases that became a problem by posting articles

Plagiarism problem

  • In 2016Yoichi TakahashiAbout "The Great Lies of China's GDP" (Kodansha) published by KodanshaToshiki KanamoriPointed out that there are parts that are significantly similar to the description in his serialized article.[32]..In response, Kodansha apologized for failing to specify the source due to Kodansha's inadequacy under the name of the director in charge of the Planning Department of the First Business Bureau.[33].

Incidents and scandals that do not involve article publication

  • Questionnaire investigation case by a Kodansha employee who misrepresented himself as a college student (2007/May 11)
Kodansha employeesMarketDoing researchUniversity students(Faculty of Policy Management, Keio University)”インターネット OfBlogTo the operators,ComicaboutquestionnaireIt turned out that a survey was being conducted. After the discovery, Kodansha apologized to the victim (the questionnaire destination) and Keio University, but was sent to the questionnaire destination.E-mailThere was a description in the statement, "If you give us permission (for this questionnaire), we will use it for our future sales and promotion measures."This made me even more angry, saying, "Do you say'yes' here?"[34].

Otowa Group (affiliated company)

  • Kobunsha Co., Ltd. - 1945/Founded.Established Kodansha subsidiary Japan Press by amending the articles of incorporation.
    • Kobunsha Service Co., Ltd.-Operation management of Kobunsha Photo Studio and Kobunsha Theater Studio.
  • King Records Co., Ltd. - 1931/Founded.1951/Separated from Kodansha's record department.
    • Seven Seas Music Co., Ltd.-Music-related publisher.
    • Bellwood Records Co., Ltd.
    • King International Co., Ltd.-Import and sale of overseas CDs.
    • King Enterprise Co., Ltd.-Dispatch business to King Records.
    • King Sekiguchidai Studio Co., Ltd.-Operation management of music and video rental studios.
    • Dazed Co., Ltd.
  • Nikkanzai Co., Ltd. - 1975/Founded. ""Weekly Hyundai』Editor-in-chief Takafumi Kawanabe and later became the fifth president of KodanshaNoma RyoudoWas established.
    • Nikkan Gendai Osaka Co., Ltd.
    • Noncom Co., Ltd.
  • Kodansha Editorial Co., Ltd.-Editing of practical books and general books, commissioned publishing (own expense publishing, custom publishing).The publisher is Kodansha itself.
  • Kodansha Scientific Co., Ltd.-Planning and editing of natural science books.
  • Ltd.Kodansha B sea --Publishing and editing of automobile-related magazines and books.The publisher is Kodansha itself. The company name was changed from Sanshosha on June 2009, 6.
  • Ltd.Seikaisha - 2010/Founded.In addition to manga and light novels, "Seikaisha new book] Etc. are issued. ""Kodansha BOX』\ The first directorKatsushi OtaEstablished with 100% investment by Kodansha.The publisher is Kodansha itself.
  • Ltd.Tanka Kenkyusha --Publishing "Short Song Study".Planning proposals and editing contracts for humanities books and magazines of Kodansha and other publishers.
  • Ltd.Ichijinsha - 1992/Founded.A publisher centered on manga and light novels.2016/Kodansha became a wholly owned subsidiary in November[35]..The release is jointly with Kodansha, and the current management team is also composed of Kodansha's manga department alumni.
  • Kodansha PAL Co., Ltd.-Kodansha Children's Classroom (Infant classroom) Management.
  • KODANSHAtech GK-Web media and digital content development company.
  • Kodansha VR Lab Co., Ltd. --Planning, production, manufacturing, wholesale, lending, sales, copyright business and import / export of digital contents such as VR contents, video, games, audio and music.Polygon PicturesJoint venture with.
  • Content Data Marketing Co., Ltd .-Content marketing business, media monetization business, content data solution business.
  • KPS Holdings Co., Ltd.
    • KPS Fulfillment Co., Ltd.-Publishing and distribution business, sales business for each channel such as product sales at special events and exhibitions, sales at children's book specialty stores, recycled paper business, storage and shipping business of other goods
    • KPS Products Co., Ltd.-Content data production, printing / bookbinding, content production support, paper procurement, application and website management / SNS distribution support, data archiving business
    • KPS Solutions Co., Ltd.-Publishing-related business support / contract, business improvement proposal BPR, human resources support, back office business
    • KPS Systems Co., Ltd.-System development / maintenance / operation work, personal information management work
  • Kodansha Business Partners Co., Ltd.-Personal information handling business and real estate business. 2011/In 7 monthSelf-published"Kodansha Publishing Service Center" and bookslogistics-insuranceEstablished by the merger of Kodansha Logicom, which handles agency business.
  • Daiichi Tsushinsha Co., Ltd.- 1954/Founded.100% owned by KodanshaGeneral advertising agency.
    • Kodansha IP-Media Business Business, Rights Business Business, Media Management Support, Advertising / Promotion Business.
  • Otowa Building Co., Ltd. building-Real estateManagement and operation, landscaping business.
  • Kodansha Human Network Co., Ltd. Temporary staffing company.
  • Kodansha Bizco Co., Ltd.-Accounting work for each Otowa Group company.
  • Kodansha (Beijing) Culture Co., Ltd.
  • Taiwan Kodansha Media Co., Ltd.
  • Beijing Yinfusha Culture Co., Ltd.
  • KODANSHA USA, INC.-Headquarters of American business.

Related corporation

  • Noma Cultural Foundation
  • International Cultural Forum
  • Noma Educational Research Institute


  • Kodansha Hokkaido Branch - 1945/In May, the paper industry flourished due to the deterioration of the war situation.Tomakomai-KushiroClose toSapporoA branch was set up in the form of being evacuated to the Tomikido bookstore.We also undertook the printing of stamps, postcards, and stamps, which was difficult in Tokyo.After the war, the Tokyo head office became a war criminal company, which caused problems such as printing paper allocation, so I returned from Manchuria.Sakamoto Stronghold"Tank / Tank Tankuro』Published a sequel, etc.1950/Until around that time, he carried out his own publishing activities.
  • Midori-sha-Similar to Kobunsha, a subsidiary established within Kodansha to deal with the problem of printing paper allocation after the war.Unlike Kobunsha, it disappeared around the 1950s.
  • My Health-Leaved Kodansha in 1974Takero MakinoEstablished as a joint investment with.Handles health magazines for middle-aged and older people.laterMakino Publishing, Founded Wakasa Publishing and became independent as a unique corporate group.
  • Scola - 1981/Established as a subsidiary of Kodansha. In July 1988, the company's publisher symbol was transferred from Kodansha. It disappeared in the form of special liquidation in March 7.
  • Ask - 1981/Established as "Ask Kodansha" with a XNUMX:XNUMX investment between Kodansha and Ask.1998/The capital relationship was dissolved and the trade name was changed to Ask. In October 2017Ask publicationAbsorbed and dissolved.
  • Kodansha International- 1963/Established.He handled foreign books, language books, and general books, and also translated and published Japanese works into English. Disbanded at the end of April 2011[36].
  • Random House Kodansha-In 2003Random houseEstablished in partnership with. With the termination of the partnership in 2010Takeda Random House JapanRenamed to.2012/Bankruptcy in December[37].
  • 2 & 4 Motoring --Vehicle-related video media production business.
  • Kodansha Famous Schools Co., Ltd.Distance learningWas dealing with. Liquidation completed in October 2020[38].
  • Vertical -2011Dai Nippon PrintingAcquired jointly with[39].
  • Kodansha Advanced Media LLC.- Digital garageJoint venture with.
  • Kodansha FS Co., Ltd.
  • Kodansha Comic Create Co., Ltd.[40] ――Planning and editing of "Resurrection Bonbon Series" and special effects books. Dissolved at the end of August 2021.
  • Toyokuni Printing Co., Ltd.- 1946/Founded.Text printing of books and comic books, digital plate making, digital content management. In April 2022, it was absorbed and merged with KPS Holdings and dissolved.
    • Toyokuni Comic Production Co., Ltd. --DTP production business.
  • Daiichi Paper Industry Co., Ltd. --Founded in 1952.A trading company specializing in paper materials such as publishing and printing paper. In April 2022, it was absorbed and merged with KPS Holdings and dissolved.

Other investment companies


  • Junichi Shimbun --Although it was acquired in 1930 and put under the umbrella, it was sold in 1938 after the death of Seiji Noma.It was in 1942 that it became part of the Yomiuri Shimbun.
  • Aipec-Kodansha,pioneerAlthough it was invested by, etc., it went bankrupt in 1992 after the appearance of store decorations was discovered after it was opened to the public.
  • Asmik Ace -Asuku (As), Sumitomo Corporation (smi), Kodansha (k) jointly established as "Asmic", through Kadokawa Shoten, a subsidiary of Sumitomo Corporation, now a subsidiary of Jupiter Telecom.
  • LINE Book Distribution (LINE52%,Media Do(24%, 4 joint venture companies of Kodansha and Shogakukan)

business partnership

  • Hurst Women's Pictorial --Kodansha is entrusted with sales operations through retailers such as bookstores for all publications such as magazines and mooks.[41].
  • Cygames --Kodansha has been entrusted with sales of the comic label "Cycomics" since 2017.[42]However, it moved to Shogakukan from 2019, and all of them have been out of print since April 2020.

Member Organization


[How to use footnotes]
  1. ^ a b c d e f The 83st term financial announcement, “Gazette” (Extra issue No. 2022) dated March 4, 3 (18nd year of Reiwa), p.
  2. ^ "Transportation / Map: Kodansha". www.kodansha.co.jp. 2022/1/21Browse.
  3. ^ a b "History of Kodansha”. Kodansha. 2021/9/4Browse.
  4. ^ "Reference cooperative database". 2021/9/4Browse.
  5. ^ Shogakukan tops Kodansha's total sales for the first time,Asahi Shimbun,2007/May 6
  6. ^ Official sponsor,Tokyo Disney Resort
  7. ^ Kodansha is an official sponsor of Tokyo DisneySea® / Tokyo Disneyland®., Kodansha official website
  8. ^ "Announcement of Official Global Partnership Agreement with Liverpool FC (PDF)”. Kodansha (June 2021, 6). 2021/9/4Browse.
  9. ^ I want to read: Frontline "100 newly written books", XNUMX years old,Mainichi Newspapers, August 2009, 12[Broken link]
  10. ^ "In just three weeks after opening, the catch phrase was broken.Kodansha's manga posting site "DAYS NEO", "a place where you can meet more than 100 editors of XNUMX Kodansha magazines" ...?". Press Release/News Release Distribution Share No.1|PR TIMES. 2022/4/9Browse.
  11. ^ ""Mixa Live Tokyo" has opened a channel dedicated to VR content such as 1D actors and voice actors to commemorate the 2.5st anniversary!". PR TIMES. 2022/4/9Browse.
  12. ^ "Kodansha provides indie game developers up to XNUMX million yen a year and provides full support!". PR TIMES. 2022/4/9Browse.
  13. ^ "Kodansha and Amazon," unusual "direct transaction background is distribution reform without waiting". Asahi Shimbun(July 2019, 9). https://www.asahi.com/articles/ASP9J5CJVP8NUTIL051.html 2021/9/17Browse. 
  14. ^ "Kodansha Group companies reorganized Toyokuni Printing, Daiichi Paper Industry dissolved”(Japanese). Cultural Communication Digital (September 2022, 2). 2022/2/23Browse.
  15. ^ "KPS Holdings merged with Toyokuni Printing and Daiichi Paper Industry”(Japanese). Mar Online. 2022/2/23Browse.
  16. ^ "Transferred all businesses other than personal information handling business and real estate business to Kodansha Business Partners and KPS Holdings”(Japanese). Mar Online. 2022/2/23Browse.
  17. ^ "February 4, 2th year of Reiwa (No. 16 of this paper), page 676, public notice of new division". Official gazette(July 2022, 2) 
  18. ^ "First published in 20 copies and talked about!What chef Harumi Kurihara wants to convey in a new magazine | mi-mollet NEWS FLASH Lifestyle | mi-mollet | A small step towards me tomorrow! (1/2)”(Japanese). mi-mollet. 2022/4/9Browse.
  19. ^ "The first issue of electronic BL/honey milk from Kodansha, the concept is "only healing!"". Comic Natalie(July 2016, 5). https://natalie.mu/comic/news/188431 2016/5/25Browse. 
  20. ^ “[Love it, you dye it] Sweet and stimulating digital comic magazine “comic tint”, launched April 4 (Friday)”. PR TIMES. (2018-03-2 15). https://prtimes.jp/main/html/rd/p/000001631.000001719.html 2018/7/8Browse. 
  21. ^ "Publisher of "Rura Japan" from Kodansha to Magazine House". WWD JAPAN. 2019/3/31Browse.
  22. ^ ""Pichi Pichi Pitch" Image Song Contest Results Announcement & "Anyway, I'm in love. ] Image song contest started!". PR TIMES. 2022/4/9Browse.
  23. ^ "The movie "AKIRA" will be released on YouTube for free, until the 28th to commemorate the release of Kodansha's "Katsuhiro Otomo Complete Works"”(Japanese). ITmedia NEWS. 2022/4/9Browse.
  24. ^ Because it is a specification that does not encounter with an enemy weaker than the party, it will be difficult to earn experience value, and if you proceed in the wrong way, you will not be able to clear it. Due to such a broken system, the difficulty level is extremely high, and the evaluation of the game is low. On the back of the package, there is a catch phrase saying "This game is more realistic than reality!", which makes me doubt whether the copywriter who wrote it actually played it.
    QBQ Co., Ltd.Hen "Nostalgic Mega Drive Revive Mega Driver !!" Published by My Way Publishing, 2018.ISBN +978-4-86511-870-4 p73
  25. ^ "Miss Magazine" has been suspended since 2012. In addition, the audition sponsored by Kodansha since 2013 is "Miss iD] Will be.
  26. ^ TBS/Kodansha Drama Original Award
  27. ^ "MBS: New midnight anime frame Super Animeism established in July Animationism continues". MANTANWEB (September 2019, 3). 2021/8/10Browse.
  28. ^ Kodansha BOOK Club: Literary Book Novel Contemporary Edogawa Ranpo Award Application Guidelines
  29. ^ Plagiarism from "Death Note"... Shonen Magazine apologizes - Sankei Shimbun,2007/May 12
  30. ^ Takeshi Wada (September 2010, 9). “Compensation Litigation: Korean “Diet Housewives” Sustains Japanese Translation and Suspends Kodansha Compensation". Daily jp.As of August 2010, 10original[Broken link]More archives.2010/10/2Browse.
  31. ^ "Tomomi Kasai's chest, hide the boy... Yanmaga release postponed". YOMIURI ONLINE (February 2013, 1). As of February 11, 2013original[Broken link]More archives.2013/1/20Browse.
  32. ^ Toshiki Kanamori (October 2016, 10). “About the book "The Great Lies of China's GDP" by Yoichi Takahashi". Gentosha GOLD ONLINE. Gentosha. 2021/10/31Browse.
  33. ^ Takashi Mabuchi (October 2016, 10). “Progress report". Kaetsu University. 2021/10/31Browse.
  34. ^ Kodansha employee sends a questionnaire to the manga blog operator, calling himself Keio University,INTERNET Watch,2007/May 11
  35. ^ Kodansha made Ichijinsha a wholly owned subsidiary, Comic Natalie, October 2016, 10
  36. ^ Kodansha International dissolved at the end of April, Shinka Culture Online, March 2011, 3
  37. ^ "Publisher Takeda Random House goes bankrupt, debt totals 9 million yen". MSN Sankei News (February 2012, 12). As of February 17, 2013original[Broken link]More archives.2013/3/9Browse.
  38. ^ Kodansha Famous Schools Co., Ltd.National Tax Agency Corporate Number Publication Site
  39. ^ "Kodansha and DNP US translation manga publishing vertical buying.Revenue". 2021/8/13Browse.
  40. ^ "Kodansha Comic Create disbanded”(Japanese). Cultural Communication Digital (September 2021, 9). 2021/9/19Browse.
  41. ^ Business partnership between Hurst Women's Pictorial and Kodansha (PDF(March 2015, 3 Hurst Women's Pictorial Inc./Kodansha Inc.)
  42. ^ "Cygames Co., Ltd. and Kodansha Co., Ltd. form a business alliance announced the launch of the comic label "Psycomi".". 2017/7/30Browse.

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