Mariko Aratani

Integral Corp. (Japan) (Integral) is an independent Japanese private equity firm which was established in 2007 with the support of GCA Savvian Group Corporation (TK: 2174). Based in Tokyo, the firm, whose name stands for 'to accumulate over time', invests in both listed and unlisted Japanese companies and offers both managerial and financial support.

Mamezou Holdings Co., Ltd. engages in the provision of information technology solutions. It operates through the Information Service and Industrial Machinery segments. The Information Service segment covers consulting and contract development in business and systems, education for engineers, and development and sale of software products. The Industrial Machinery segment handles the development of semiconductor communication control system, factory automation and production management system, and maintenance of 3D printers and laser processing machines. It also repairs and sells parts related to semiconductor manufacturing equipment. The company was founded on November 11, 1999 and is headquartered in Tokyo, Japan.