We’re all aboutDigital Manga Publishing


For Digital Catapult, mission number one is adhering to our commitment to provide an easy-to-use platform that positively maximizes value for rights-holding content creators, content holders and providers such as publishers, while at the same time creating the most memorable experience for the end-user.

Content as we know it today possess that "undiscovered value" , while at the same time the user searches for "undiscovered content". Finding that hidden sweet spot and transforming it into a viable business is what we here at Digital Catapult are all about.

With our sights set on the world stage, we will serve as the launching pad for sharing the rich culture of Japan around the globe. That is the Digital Catapult dream.


  • sokuyomi
  • production
  • distribution
  • sales
  • operation
  • agency

Who We Are

Naoki Shimizu

Representative Director
Naoki Shimizu

Born 1960 in Tokyo
He is a graduate of the Management Department of Komazawa University.
In 2006 he was made Manager of Business Planning Department in Publications Printing & Information Division at Kyodo Printing Co. He became engaged in introducing value added concepts to published content, which started out as an incidental project. In that same year on the occasion of the founding of the company, he participated in the planning of building systems and content digitization and transmission. From 2013, he was named head of both Kyodo Printing Co.’s Sales Promotion & Solution Center and Media Promotion Department. From 2006 to 2012, he was on the board of Japan Electronic Publishing Association (JEPA).
His fond wish is to create a friendly digital comic environment for the young people of the world.


Digital Catapult Inc.

4-14-12 Koishikawa, Bunkyo-ku,
Tokyo, Japan
POSTAL CODE : 112-8501

MAIL : information@digital-catapult.com
WEBSITE : https://digital-catapult.com/

Who We Help パートナー


Shogakukan, Shueisha, KADOKAWA, Akita Shoten, Futabasha, LEED Publishing, Shonen Gahosha, TAKESHOBO, GENTOSHA Comics, Asahi Shinbum Publishing, Flex Comix, Mag Garden, Ohzora Publishing, Bunkasha, Shinshokan, SB Creative, Kobunsha, Third Line, JIVE, Akaneshinsha, Comics House, Red Entertainment, TBS, Daitosha, Junet, Magazine Magazine, Sun Publishing, Shusuisha, Otoroma, Renai Pop, Compozila, Printemps Publishing, Wave ZR, Yuwaku S Kakumei, Kaikan Club, NIKI, Golf Digest, TAKARAJIMA WONDERNET, Ohta Publishing, Kasakura Publishing, Libre Publishing, Gakken Publishing, Minatopro/Aims, Studio MS, Pony Canyon, Cork, Hero's


Yahoo! Book Store
SONY Reader Store
AU Book Pass
Rakuten Kobo
NicoNico Seiga
Animate Book Store
Booky for Leopalace
Booky for WiMAX
Edion by Booky


Digital Publishing Initiatives Japan Co., Ltd.
MobileBook.jp Inc.
Media Do Co., Ltd.
Kanematsu Granks Co., Ltd


Morisawa Inc.
glucose Inc.


Kyodo Printing Co., Ltd.
Shogakukan Inc.
Shueisha Inc.
SoftBank Technology Corp.
ArtSpark Holdings Inc.
D.A. Consortium Inc.