Junichiro Izumi

Internet Research Institute, Inc. provides internet communication network services. It conducts research and development on network technologies together with the government and academic agencies in various industrial fields. The company was founded on December 09, 1996 and is headquartered in Tokyo, Japan.

Digital Publishing Initiatives Japan Co., Ltd. engages in electronic publishing business. It publishes, manages, delivers and sells electronic book content. The company was founded on April 2, 2012 and is headquartered in Tokyo, Japan.

Flier, Inc. offers book summaries through its website. Its books summaries include topics about career, school, leadership, strategy, marketing, finance, and information technology. The company was founded by Yasushi Ohga and Hiroshi Kanda on June 4, 2013 and is headquartered in Tokyo, Japan.

Altra Entertainment KK engages in the business of electronic comics coloring, comics drawing support, website creation, music and video production services. The company was founded on February 1, 2017 and is headquartered in Tokyo, Japan.

J-Comic Terrace Corp. engages in the e-books distribution business. The company was founded on June 16, 2015 and is headquartered in Tokyo, Japan.

FIBC KK operates as an investment holding company that engages in the asset management. The company was founded on December 19, 1950 and is headquartered in Tokyo, Japan.

Media Do International, Inc. engages in publishing and distribution of eBooks. The company is headquartered in San Diego, CA.

Part of MEDIA DO Co., Ltd., JIVE Ltd. is a publisher of comics. The private company is based in Tokyo, Japan. The Japanese company was founded in 2019. JIVE was acquired by MEDIA DO Co., Ltd. from Poplar Publishing Co., Ltd. on October 16, 2019.

Unimedia, Inc. provides advertising solutions for smartphones. It operates through the following business segments: Smartphone Advertisement Solution and Advertisement Technology Business. The Smartphone Advertisement Solution business segment provides advertising space sales and consulting solutions. The Advertisement Technology business segment provides O2O solutions that connect online and real stores to retailers with stores. The company was founded by Makoto Sueda on April 20, 2001 and is headquartered in Tokyo, Japan.