Koichi Ishizu

Part of KDDI Corp., Chubu Telecommunications Co., Inc. is a Japanese telecommunications company that engages in the construction and maintenance of telecommunications equipment. The company is based in Nagoya, Japan and was founded in 1986.

Japan Industrial Partners, Inc. (JIP) is a private equity firm based in Tokyo. Established in 2002 through the collaboration of several firms, they develop Japan-focused private equity business contributing to the reorganization, restructuring and reform of Japanese companies. JIP operates investment partnerships to provide funds and to support corporate management assisting firms to optimize their operating base for growth.

Part of KDDI Corp., Okinawa Telecommunication Network Co., Inc. is a Japanese electric power passenger company that provides telecommunication services to the entire Okinawa main island. Established in 1996 by 34 companies, including local leading companies, financial institutions, trading companies, and KDDI, it utilizes over 3000 km of optical fiber networks to provide services to public institutions such as general companies, schools, firefighting, police, and local governments, as well as fixed-system and mobile communication businesses. It plays an important role as a core line provider of the person. The company started providing telecommunications services for companies such as high-speed digital transmission services, ATM exclusive service, and wide-area Ethernet service "Powered Ethernet" in 1997, 2000, and 2001, respectively. In 2004, it launched the Hikari broadband internet (FTTH) service "Hikari Furu" for individuals.

Tanabe & Partners is a general law office located in Tokyo, Japan. The Japanese company offers legal services in various areas such as corporate law, labor law, intellectual property law, and competition law. The private company also provides legal support for civil protection, forced execution, and banking cases. Tanabe & Partners has a team of lawyers who specialize in different fields and offer legal advice to clients. The company also conducts seminars and lectures on various legal topics. The company has published books on legal consultation for hospitals and clinics, executive compensation systems, and civil trials.

Part of KDDI Corp., KDDI Russia LLC is a telecommunications company based in Moscow, Russian Federation. The Russian company provides telecommunications services.

Supership Holdings Co., Ltd. manages its group of companies that engage in digital and information technology (IT) businesses. It creates the group business strategy and policy and handles the general corporate affairs. The company was founded on October 1, 2014 and is headquartered in Tokyo, Japan.