Noriaki Ito

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 COMSYS Corp. provides telecommunications infrastructure services. These includes fiber optic cable installation, cable tunnel construction, and wireless communications base station construction. It also offers general civil engineering services and building construction. The company was founded in December, 1951 and is headquartered in Tokyo, Japan.

Nippon Telegraph & Telephone West Corp. provides regional telecommunication services in the western parts of Japan. The firm's activities include telephone services, integrated digital communications services, leased circuit services and other telecommunication-related activities. The company was founded on July 1, 1999 and is headquartered in Osaka, Japan.

Oscar Technology Corp. develops software solutions and consulting services. It offers parallelization, evaluation and multi-core parallelization seminar services. The company was founded by Katsuhiko Shirai, Takahiko Ono, Shuichi Matsuda, and Hironori Kasahara on February 28, 2013 and is headquartered in Tokyo, Japan.