Knowledgeable experts support
the practical application of medicines,
medical devices,
and regenerative medicinal products.
2026年8月8日(土)~2026年8月17日(月)は、休業とさせていただきます。
この期間中にお受けしたお問い合せ・ご相談の申込みについては、休業明けに対応させていただきます。
何卒ご了承のほどお願いいたします。
What is MEDISO
MEDISO provides support for business ventures, academia,
and individuals intending to put into practical use medicines,
medical devices, and regenerative medicinal products.
Click here for further details.
About the Medical Innovation Support Office
The medical innovation support office matches medical venture companies and academic institutions facing challenges in the practical application of medical products and devices for specialists* who provide detailed consultation and support for solving problems at each stage from research and development to practical use, as well as insurance coverage at clinical sites, while looking ahead to the overall comprehensive advances and dissemination into the global market.
* Specialists in each field provide support for the response to laws and regulations, marketing, business planning, fund rasing, management strategy, intellectual property management, and international development, etc.
This website is operated by Mitsubishi Research Institute, Inc., as a trustee under instructions from the Economic Affairs Division, Health Policy Bureau, and Ministry of Health, Labour and Welfare as a part of the total support for the medical ventures program sponsored by the Ministry of Health, Labour and Welfare.
Support targets
Ventures, academic institutions, and individuals aiming to put into practical use the medicines, medical devices, regenerative medicinal products, and novel drug-discovery technologies or medical materials subject to the Pharmaceuticals and Medical Devices Law.
Details of support
MEDISO provides support for the practical application of medicines, medical devices, regenerative medicinal products, and other products subject to the Pharmaceuticals and Medical Devices Law.
That support includes business planning, financing, advice on laws and regulations, and other assistance as required.
- ●Support method:We provide support via online meeting or e-mail.
- ●Support source:Support is provided in cooperation with experts in R&D, consultants in pharmaceutical affairs, and experts from related organizations including the Ministry of Health, Labour and Welfare.
- ●Remarks:Consultation and support services are free of charge.
In case the link does not work, please contact us at the email address below
mediso@ml.mri.co.jp
Specialists Introduction
We will introduce registered specialists
(updated as necessary).
Takahiro Mizumoto
Ant innovations Co., Ltd
Main specialty areas
- medicines
- medical devices
- regenerative medicine products
Specialized support fields
- Marketing
- Business planning
- Funding
- Business operation systems
- Specialized support fields
Kyoto University Graduate School of Medicine, Master’s Program in Intellectual Property Management.
After passing the Japanese Patent Attorney Examination, gained venture investment experience in high-tech sectors including IT and healthcare at NIFS SMBC Capital (later split into Daiwa Corporate Investment and SMBC Venture Capital).
Subsequently joined Showa Shell Sekiyu, where he led the planning and development of multiple new services spanning payment solutions, retail electricity, and mobile app businesses.
With the launch of the University of Tokyo Innovation Platform (UTokyo IPC), he joined the firm and founded 1stRound, a cross-university incubation program. He later spearheaded the establishment of an approximately JPY 25 billion open-innovation promotion fund and served as its Chief Investment Officer.
In November 2025, he founded Ant Innovations, a newly established venture capital firm and subsidiary of the private equity firm Ant Capital Partners, and assumed the role of Representative Director and Partner.

Junichi Imoto
Chief Venture Capitalist, Nissay Capital Co., Ltd.
Main specialty areas
- medicines
- medical devices
- regenerative medicine products
Specialized support fields
- Business planning
- Funding
He was involved in research and development of medicinal products at Fujifilm Corporation. Subsequently, he performed duties relating to patent and bibliographic information at Thomson Reuters. Since 2015, he has worked on investment activities mainly in research and development-driven venture companies at Nissay Capital Co., Ltd.

Masakazu Masujima
Partner, Mori Hamada & Matsumoto
Main specialty areas
- medicines
- medical devices
- regenerative medicine products
Specialized support fields
- Regulatory compliance
- Funding
- Business operation systems
- Specialized support fields
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.

Tomohisa Hayasaki
GVA LPC Attorney-at-Law / Partner
The Leader of The Team ""Medical / Healthcare / Cosmetic Industry""
Main specialty areas
- medicines
- medical devices
- regenerative medicine products
Specialized support fields
- Regulatory compliance
- Marketing
- Funding
- Specialized support fields
- Etc
After registering as a lawyer, I have been handling disputes such as corporate and labor disputes, as well as providing legal support for the designing lawful business models of new businesses and for funding. In addition, I have been providing legal support for businesses in the field of medical and beauty based on my knowledge of laws relating to medicals including the Japanese Act on Securing Quality, Efficacy and Safety of Products Including Pharmaceuticals and Medical Devices and the Japanese Medical Care Act. In particular, I have been providing extensive support for numerous businesses operating in new field such as Software as Medical Device (SaMD) and Non-Software as a Medical Device (Non-SaMD), telemedicine/home call medical services, and also for companies utilizing medical information by employing new technologies such as AI. I am also addressing legal issues faced by companies using advance technologies. Furthermore, I have expertise in the latest marketing trend and offer advice on marketing strategies based on the Japanese Act against Unjustifiable Premiums and Misleading Representations, advertising regulations in Japan such as medical advertising regulations, and medical and pharmaceutical devices regulations.

Tsutomu Hoshiba
Kievit Scientific LLC President
Main specialty areas
- medicines
- medical devices
- regenerative medicine products
Specialized support fields
- Marketing
- Business planning
- Etc
For over 30 years, I've established and managed Japanese life science companies in the US and Europe. In 2021, I founded Kievit Scientific in Philadelphia, utilizing my Western-acquired experience, up-to-date information, and network. I assist Japanese companies in the pharmaceutical, medical device, and chemical sectors in their international expansion, from strategic planning to product development and market entry. Harnessing my understanding of different cultures and wide-ranging scientific knowledge, I provide solutions to challenges faced by Japanese academia and startups in their global ventures, with the aim of supporting as many Japanese companies as possible to succeed overseas. Furthermore, through these endeavors, I promote the widespread adoption of innovative medical technologies, striving to realize a society where the benefits are extended to many.

Introduction of measures implemented by public institutions
We will describe the measures from public institutions for pharmaceutical companies,
medical device companies, companies manufacturing regenerative medicinal products, and venture companies.
- The Ministry of Health, Labour and Welfare/
- Pharmaceuticals and Medical Devices Agency (PMDA)/
- Japan Agency for Medical Research and Development (AMED)/
- Cabinet Office/
- Ministry of Economy, Trade and Industry/
- Ministry of Internal Affairs and Communications/
- Small and Medium Enterprise Agency/
- Organization for Small & Medium Enterprises and Regional Innovation, Japan/
- Union of Kansai Governments/
- New Energy and Industrial Technology Development Organization (NEDO)/
- Life Science Innovation Network Japan, Inc. (LINK-J)/
- Japan Science and Technology Agency (JST)/
- Japan External Trade Organization (JETRO)/
- INCJ, Ltd./
- Osaka Prefecture/
- Tokyo Metropolis/
- Kanagawa Prefecture/
- National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN)
A comprehensive portal site for Medical Innovation Support Office (MEDISO).
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