A comprehensive portal site for Medical Innovation Support Office (MEDISO).Medical Innovation Support Office

Masakazu Masujima

Partner, Mori Hamada & Matsumoto

Masa is a guru of startup legal advisory space in Japan. Based on the experiences at Palo Alto office of Wilson Sonsini Goodrich & Rosati, his advice is West Coast style; progressive, risk-base and proactive. Through more than 2 dacades of dedication to the startup space, he has advised IPOs, M&As and major cross-border fundraising for may startups, including biotech and healthcare ones, and have also worked with entrepreneurs through a variety of touch situation, such as disputes between founders, problems with investors as well as intellectual property disputes. Masa has served as a council member of numerous Government committees, such as Regulatory Reform Promotion Council, the Regulatory Sandbox Committee, the Digital Market Competition Council and the Industrial Structure Council. He is admitted to NY bar and Japan bar, and a licensed patent attorny in Japan.

Shinji Ogino

Kanjin Therapeutics Inc. COO
Kanjin Therapeutics K.K.　Represenative Director

Global COO of Kanjin Therapeutics — a biotech developing nucleic acid therapeutics for kidney disease, structured as a U.S. Delaware C-Corp with a Japanese subsidiary — and Representative Director of its Japanese entity. After working in translational research, I broadened my focus into corporate strategy, post-merger integration, and alliances, advancing drug　development research from experience spanning both science and business. My areas of focus are research and business planning, fundraising, and cross-border U.S.–Japan alliances and out-licensing. I am glad to advise on business strategy on early drug-discovery assets and on global operation and partnering strategies.

Makoto Shigematsu

Representative Director, Kai Fostering Partners Inc.

He worked on a new project research and development, trial manufacture, mass production, and commercializing of glass delay line element for VTR at Asahi Glass Co., Ltd. He moved to CSKVC by making use of his relevant experience. As a venture capitalist, he engaged mainly in establishing, financing, fostering, and managing venture companies. He practiced monetizing of novel technologies, timely financing, establishing organization and management, sharing an exit strategy as a milestone, active use of intellectual property rights (open and close), and business talks and negotiations (not bargaining) hated by engineers. He has providing support for company’s growth fostered by competition and cooperation, while being employed by traditional companies for 20 years and by venture companies for 20 years with an understanding exactly the opposite of the corporate culture of both.

Yutaka Tomioka

Project Researcher, Department for the Promotion of Medical Device Innovation, National Cancer Center Hospital East.
Chief Regulatory Scientist, ayumo Inc.
Chief Development Officer / Director, Atransen Technologies, Inc.
Senior Specialist, Premo Partners, Inc.

Ph.D. (Engineering). I began my career at the Pharmaceuticals and Medical Devices Agency (PMDA), where I worked in medical device review and reliability inspection (reliability standards compliance inspections and on-site GCP inspections for medical devices). My responsibilities included the approval review, consultation services, and reliability inspections for a wide range of medical devices, including novel medical devices. Drawing on my 10 years of experience at the regulatory authority, I moved to National Cancer Center Hospital East in July 2019 to support the development of medical devices originating in Japan. At National Cancer Center Hospital East, I supported medical device development led by both academic institutions and companies. I left my full-time position at National Cancer Center Hospital East at the end of 2025, and joined ayumo Inc. in January 2026 (current position), where I lead the regulatory affairs team.I also joined Atransen Technologies, Inc. in May 2026 (current position). I currently hold part-time positions at National Cancer Center Hospital East, Yokohama City University, and the National Defense Medical College, while also supporting a number of startups, pharmaceutical companies, medical device manufacturers, academic institutions, and small manufacturing workshops (machi-koba) in Ota Ward, Tokyo.

Yutaka Kono

Guest professor
Drug Discovery Science Division,Institute for Open and Transdisciplinary Research Initiatives, Osaka University