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

Hiroyuki Kajiyama

Graduated from Kyoto University Faculty of Pharmaceutical Sciences. Worked at Tanabe Mitsubishi Pharma Corporation in pharmaceutical research and development, primarily handling clinical development tasks. Since 2016, employed at the Pharmaceuticals and Medical Devices Agency (PMDA), Review Management Department, as a Technical Expert in Regulatory Science Strategy Consultation. Engaged primarily in providing consultation services on pharmaceuticals, medical devices, regenerative medicine products, focusing on academia and venture companies.

keiji Asada

Amenichi Consulting, LLC, CEO

Graduated from Auburn University with a degree in Chemical Engineering. Currently, serving as the CEO of Amenichi Consulting, LLC, a consulting firm specializing in regulatory compliance (FDA) and marketing support for companies entering the U.S. market, particularly in the fields of pharmaceuticals, medical devices, and regenerative medicine products. With extensive industry experience and expertise, he assists clients in developing business plans, securing funding, and establishing operational structures. Additionally, he provides comprehensive support, from the formulation to the execution of business strategies, to help clients enhance their competitiveness. Furthermore, he leverages his network to match clients with the most suitable business partners. With a global perspective, he offers customized services tailored to the needs of each client, aiming for sustained growth and success. Amenichi was established in 2018 and has supported over 50 companies since its inception.

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.

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.

Kumi Sakurai

早稲田大学大学院理工学研究科で生体工学を専攻後、慶應義塾大学病院で10年以上にわたり血液研究に従事。その後、外資系医療機器メーカーであるベックマンコールター（2005年～）、日本メドトロニック（2007年～）、セントジュードメディカル（現アボットメディカル、2015年～）のマーケティング部門にて、医療機器の市場導入や事業戦略を担当。2019年、医療機器・ヘルスケア機器の開発支援を専門とするインキュベーター、プレモパートナー株式会社を共同創業。研究者・スタートアップ・大企業を対象に、事業戦略策定から薬事・保険償還・上市までを一気通貫で支援し、国内外のネットワークを活かして医療機器の事業化を推進している。
文部科学省　科学技術・学術審議会専門委員、東京都AMDAPカタライザー
早稲田大学大学院修了（工学修士）。金沢工業大学大学院修了（MBA）

After earning a master’s degree in Biomedical Engineering from Waseda University, Kumi Sakurai engaged in over ten years of hematology research at Keio University Hospital. She then transitioned to the medical device industry, joining Beckman Coulter in 2005, Medtronic Japan in 2007, and St. Jude Medical (now Abbott Medical) in 2015, where she worked in marketing and business strategy for innovative medical technologies. In 2019, she co-founded Premo Partners Inc., an incubator specializing in the development and commercialization of medical and healthcare devices. Premo Partners supports researchers, startups, and large corporations throughout the entire innovation process—from business strategy formulation, market analysis, and regulatory and reimbursement planning to commercialization. Leveraging extensive domestic and international networks, the company provides end-to-end support to accelerate the delivery of essential medical technologies to patients and healthcare professionals. Through its comprehensive expertise in regulatory pathways, evidence generation, and global market access, Premo Partners plays a vital role in fostering Japan’s MedTech ecosystem and bridging it with the global healthcare innovation community.

Hiroki Yamada

Medii, Inc. CEO, M.D.,Ph.D.