Teppei Sato

103R, Inc. engages in the planning, design, development and maintenance of systems utilizing cloud environments, operational PR/marketing and media support business. The company was founded on April 5, 2016 and is headquartered in Tokyo, Japan.

Showa Shuppan KK engages in the editing, creation and sale of social insurance and nursing care insurance-related publications. The company was founded in February 12, 2018 and is headquartered in Osaka, Japan.

Idea Co., Ltd. is an engineering group that offers technical dispatch, contract development, and consulting services. The private company is based in Shizuoka prefecture, Japan, with a total of eight locations across the country. Idea provides group training to improve employees' awareness and skills, including technical, humanity, social, and management skills. The Japanese company supports the overall basic skills of technical skills from rookie education to improving basic knowledge. Idea has a cooperative tag with Kogyo Research Company, which provides educational courses for engineers who aim to improve their skills. The company also has a manufacturing system in place to meet various customer needs, such as design development, evaluation experiments, processing, assembly, and adjustment.

Rakuten Strategic Partners Co. Ltd. (RSP) is a wholly-owned subsidiary of Rakuten, Inc. (JASDAQ: 4755) in Japan. Established in 2005, RSP is a venture capital firm which participates in firm restructuring, MBOs and MBIs. The firm is located in Tokyo.