Knowledgeable experts support
the practical application of medicines,
medical devices,
and regenerative medicinal products.
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).
Rou Irisawa
IRISAWA Consulting LLC
Main specialty areas
- medicines
- regenerative medicine products
Specialized support fields
- Regulatory compliance
- Etc
Worked at Chugai Pharmaceutical Co., Ltd. for 27 years, primarily in antibody drug research and development, CMC regulatory affairs, and quality assurance, from preclinical trials stage to BLA stage. Involved in the BLA of Japan, US and EU approval for the CTD-Q of Actemra, Japan's original first antibody drug. And also involved in Japan BLA for several biologics Genentech original. Since 2017, involved in the development of many new modalities, including three SAKIGAKE designated cell products, and participated in 21 times PMDA consultations responsible for CMC regulatory and QA for cell products and gene therapy products. In 2023, became independent as a CMC regulatory consultant. Author of ""CMC Pharmaceutical Design - CMC Pharmaceutical Strategy in the Era of New Modality Pharmaceuticals"" (Yakuji Nipposha, 2022), and is the overall supervisor of the Japanese translation of A-CELL (CMC Development Guidance for CAR-T). Fellow at Tama University's Medical Care Solutions Research Institute, and a top performer in the regular course of Pharmaceutical Evaluation Science at the University of Tokyo Graduate School of Pharmaceutical Sciences in 2024. Certified in generative AI skills (November 2025). Currently involved in various projects, including serving as CMC lecturer at seminars on how to proceed with the development of CMC for antibody drugs, cell products, gene therapy products, etc for small company to semi-major company.

Hitoshi Fujimaki
TMI Associates Attorney-at-law (admitted in Japan and New York)
Main specialty areas
- medicines
- medical devices
- regenerative medicine products
Specialized support fields
- Regulatory compliance
- Etc
Joined TMI Associates in 2016. Completed an LL.M. in National and Global Health Law at Georgetown University Law Center in 2023, earning the Food & Drug Law Certificate. Admitted to the New York State Bar in 2024. The practice focuses on pharmaceutical, medical device, and healthcare regulatory matters in both Japan and the United States, with extensive experience supporting R&D and commercial operations of Japanese companies domestically and abroad. Work includes licensing and collaboration agreements with overseas partners, joint research and development arrangements, CRO agreements, GCP compliance during clinical trials, promotional review, regulatory assessments (including medical-device classification), authority inspections, and broad advisories on pharmaceutical and medical-device regulations. Also advises on U.S. healthcare compliance issues, including the Anti-Kickback Statute, the Sunshine Act, and related federal and state requirements. Author of Introduction to U.S. FDA Drug and Medical Device Law and Regulation (Shojihomu, September 2024).

Hikaru Saito
Saisei Ventures LLC Partner
Main specialty areas
- medicines
- regenerative medicine products
Specialized support fields
- Regulatory compliance
- Marketing
- Business planning
- Funding
- Business operation systems
- Specialized support fields
As a partner of Saisei Ventures, a newly established global venture capital firm that invests in advanced biotech companies in cell and gene therapy, Dr. Saito is responsible for Japan operations including company creation, integrating Japanese science and technology with the Western ecosystem. Prior to joining Saisei, he started career as a research scientist at Astellas Pharma Inc. and then as a Senior Manager of Business Development and as a Senior Investment Manager at Astellas Venture Management, a CVC arm based in Silicon Valley, USA, where he was a lead role for deal process, due diligence and transactions for venture investments in RNA therapeutics, cell and gene therapy. He was providing business support to portfolio companies based on the expertise, experience, and global network. He also led the development of strategic partnerships with venture capital funds, accelerators, and institutional investors based in the U.S. and Europe. Prior to joining Astellas, he was a Visiting Fellow at the Institute of Medical Science, University of Tokyo, and a Research Fellow of the Japan Society for the Promotion of Science. He received his B.S. in Biotechnology and M.S. and Ph.D. in Biomolecular Molecularl Engineering from Tokyo Institute of Technology.

Osamu Tabuchi
JMDC Inc. Quality Assurance Office manager
Main specialty areas
- medicines
- medical devices
Specialized support fields
- Regulatory compliance
I am a dedicated professional with extensive experience in safety management and post-marketing surveillance (PMS) in the pharmaceutical industry. After joining SANWA KAGAKU KENKYUSHO CO., LTD., I focused on risk management for diabetes medications and treatments for dialysis complications. My work included PMS literature development and cardiovascular event evaluations, contributing significantly to drug development.
At CureApp, Inc, a company specializing in software as medical devices, I served as the Safety Management Officer. I successfully established the safety management system and operational processes for Japan's first therapeutic app. My involvement in risk management for various therapeutic applications, including those for hypertension, allowed me to engage deeply with the core aspects of product development.
Currently, I am the Head of Quality Assurance at JMDC, Inc, where I oversee GxP compliance and reliability assurance. I am actively involved in building a new PMS framework that combines e-source data with additional collected data, as well as managing certification acquisition and maintenance.

Kazuhiro Ikumi
MEDICOLAB Co., Ltd.
Main specialty areas
- medical devices
Specialized support fields
- Business planning
- Funding
- Business operation systems
- Specialized support fields
- Etc
Board-certified neurologist, CEO at MEDICOLAB, Co., Ltd. My initial job was a medical doctor at a tertiary care emergency hospital. I have 14 years of clinical experience in Parkinson's disease, dementia and other neurodegenerative diseases. MEDICOLAB, Co., Ltd. receives PR and development support from Fujitsu, NVIDIA, Amazon, and Microsoft. I am involved in business development in the CNS area and support researchers for their idea and trial products or services for commercialization.

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).
Click here for inquiries





