Yoshinori Ehara

Questetra, Inc. develops business process management software. It specializes in the development of process improvement, system development, and communication tools. The firm’s solution enables organizations to develop business process management driven workflow systems through software-as-a-service edition and download edition. Its business activities also include website creation and operation; consulting services and computer software program development; and business investment. The company was founded by Genichi Imamura, Akihiro Hatanaka, Hajime Yahagi, Yoshinori Ehara, and Masato Furukubo on April 1, 2008 and is headquartered in Kyoto, Japan.

Softbank Telecom Corp. provides wired and wireless telecommunication services. It offers data and voice communication services for corporate, small, and medium size enterprises in Japan. The company was founded in October, 1984 and is headquartered in Tokyo, Japan.

Part of The Four-Dimensional Group, Inc., Four-Dimensional Data, Inc. provides IT consulting services, especially in the field of Web and email system development. The company is based in Kyoto, Japan. The Japanese company was founded by Akihiro Hatanaka, Genichi Imamura.