Eiichi Sakamoto

NTT DoCoMo, Inc. engages in the mobile communications business. It operates through the following segments: Telecommunications, Smart Life, and Other Businesses. The Telecommunications Business segment provides mobile communication services, optical-fiber broadband and other telecommunications services. The Smart Life Business segment handles the finance or payment services, shopping services, and life-related services. It also manages the d market services that include video and music distribution, electronic book store service, and online shopping service. The Other Businesses segment covers the mobile device protection service, machine to machine, system development, sales and maintenance. The company was founded in August 1991 and is headquartered in Tokyo, Japan.

Nippon Telegraph & Telephone East Corp. provides regional telecommunications services. It offers telephone service applications and changes, billings and payment solutions, discount options, optional services, Internet services, wireless communication network services and business network. The company was founded on July 1, 1999 and is headquartered in Tokyo, Japan.