Tatsuya Kato

CSK Corp. engages in the business of information technology services. It operates through the following business segments: IT Services, Prepaid Card Business, Securities Business, and Others. The Information Technology (IT) Services segment provides software development, systems integration, facilities management, business process outsourcing and other related services. The Prepaid Card Business is involved in the issuance and settlement of prepaid cards, as well as in the development and sales of card systems. The Securities Business is engaged in securities and other related businesses. The Others segment provides investment services in venture companies, management of investment trusts, and invests in equity securities. The company was founded on October 7, 1968 and is headquartered in Tokyo, Japan.

Cybird Co. Ltd. provides mobile content, Internet web design, and system consulting services. The company was founded in September 1998 and is headquartered in Tokyo, Japan

Millmo, Inc. is a holding company that develops and distributes internet content and mobile marketing solutions. It offers audio and video content services; mobile and internet media; systems solutions planning, construction, and sales; marketing planning and operations; and advertising solutions. The company was founded by Toshiya Yokochi on September 14, 2007 and is headquartered in Tokyo, Japan.

Globis Corp. (Globis) is an independent venture capital firm headquartered in Tokyo, Japan. The firm was founded in 1992 by Hori Yoshito.

Mido Holdings SA provides cloud networking technology solutions. It offers network infrastructure through network virtualization. The firm develops MidoNet, a software-based network virtualization system that allows enterprises and service providers to build, run, and manage virtual networks with control. Its MidoNet platform eliminates physical network limitations and brings the capabilities of server and storage virtualization to the network; centralizes the control of an entire network; and consolidates the size of data centers. The company was founded by Dan Mihai Dumitriu and Tatsuya Kato in January 2010 and is headquartered in Lausanne, Switzerland.

Part of Sony Group Corp., Midokura Co., Ltd. is a technology company based in Tokyo, Japan. The Japanese company develops and programs smart software using cutting-edge technology to create solutions for the future. The company's work with artificial intelligence has a wide range of applications, including driving. The company aims to make life easier for people and brands by utilizing the best talent and emerging technologies. The company's first success was the development of Midonet. Midokura Co. was founded in 2010 by Tatsuya Kato, and the CEO is Dan Mihai Dumitriu.

SingulaNet Ltd. is a digital content business and technology-based professional group that uses blockchain. The company is based in Tokyo, Japan. The Japanese company provides system solutions for all phases, including system strategies, design, implementation, tests, and operation. SingulaNet was founded in 2019 by Tatsuya Kato, Koji Machi, Yuki Otake. Koji Machi has been the CEO since 2019.