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

Who We Are

Matsuzaki Hirotaka

Representative Director
Matsuzaki Hirotaka

Born 1961 in Tokyo
He graduated from Hosei University
In 1984, joined the First Division (currently called the Publications Printing & Information Division) of Kyodo Printing Co., Ltd. In the publication printing business, he has been in charge of many publishers' relations, and support the production of a lot of manga, magazines, books and even dictionaries. In 2013, he became the General Manager of the Publications Printing & Information Division (current position).
He grew up while reading shonen manga, thus, he is now really happy to work in this field. He likes reading and baseball. For him, there is nothing better that watching is alma mater high-school baseball team playing during the Koshien, a high-school summer baseball tournament.

Naoki Shimizu

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.

Tatsuki Hirayanagi

Director Tatsuki Hirayanagi

Born 1977, Tokyo
Graduated in Social Studies from Waseda University
With a varied background including do narration for TV shows, starting new IT companies and facilitating the start up of venture firms, he joined Digital Catapult in 2009, becoming Director in 2012.
From his mid-20s to early 30s, he lived in Seoul and Hong Kong.
His dream is to transform Tokyo into the world capital of manga.


Digital Catapult Inc.

Kyodo Koishikawa Bldg., 6F
4-14-24 Koishikawa, Bunkyo-ku,
Tokyo, Japan
POSTAL CODE : 112-0002

TEL : +81-3-6865-8116 (Global Business Dept.)
FAX : +81-3-6865-8101
MAIL : information@digital-catapult.com
WEBSITE : http://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.