Toshitake Amamiya

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.

KDDI & BT Global Solutions Corp. provides telephone voice and data communications services. The joint venture company is based in Tokyo, Japan. Toshitake Amamiya has been the CEO of the Japanese company since 2017.

KDDI Summit Global Myanmar Co. Ltd. provides communication services. The joint venture company is based in Yangon, Myanmar.

JCOM Co., Ltd. engages in the management and operation of cable television (CATV) and telecommunications business. It also deals with the planning, production, and theatrical distribution of films and visual content; distribution of video-on-demand contents; and provision of programs for CATV operators and digital satellite broadcasters. The company was founded on January 18, 1995 and is headquartered in Tokyo, Japan.

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

UQ Communications, Inc. engages in the telecommunications business. It offers mobile data communication and smartphone services. The company was founded on August 29, 2007 and is headquartered in Tokyo, Japan.