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

Tadashi Sameshima

I have been engaged in product development and business operations of medical devices and regenerative medicine products for 37 years at Terumo Corporation. I have experienced the development of medical devices such as extracorporeal circulatory and blood transfusion devices, as well as the development to commercialization of cellular products. In addition, I am able to provide specific advice on various stages of development based on my participation in joint research with universities, collaboration among companies, discussions with government agencies, and activities of industry associations.

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.

Hitoshi Fujimaki

TMI Associates Attorney-at-law (admitted in Japan and New York)

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).

Aiko Kato Sullenberger

RykoTECH　President

Aiko Kato Sullenberger, CEO of RykoTECH, a significant contributor within the Boston startupecosystem for several years, brings a wealth of experience in various roles, spanning investor,startup, and accelerator. She provides specialized advisory services comprehensive strategicconsultation and facilitation of market entry into the US across diverse sectors, including drugdiscovery, medical devices, digital health, digital therapeutics and biotech. Aiko can help 　 • Fundraising • Strategic Partnership Development • Create Deal Flow (Connecting with Potential Investors) • Identifying Partners and Advisors • Assistance in Facilitating Clinical Trials • Corporate Strategy: Investment Thesis, Portfolio Analysis • Market / Trend Research & Analysis • Go-to-Market Strategy • Academic Business Liaison: Interdisciplinary Project Lead • Cross-Functional Team Building

Saaya Hirai

Globizz Corp.　Senior Manager

After graduating from a university in Taiwan, she began her career at Globizz Japan as a Business Planning Specialist. In this role, she developed proposals for Japanese companies seeking entry into the U.S. market and provided support for FDA compliance, including assistance with Quality Management System (QMS) development for medical device manufacturing facilities and FDA inspection readiness. She later transitioned to Globizz Corp., the U.S. headquarters of Globizz Japan, where she currently coordinates FDA submission projects and conducts regulatory research and registration activities. In addition, she supports Japanese companies in expanding their presence in the U.S. medical device market by accompanying them to major industry exhibitions, assisting with trade show participation, and joining business meetings to facilitate market development. Leveraging her proficiency in English, Japanese, and Chinese, she plays a key role as a bridge in international projects. Her support experience includes FDA submission strategy development, 510(k) submissions, Breakthrough Device designation requests, U.S. KOL interviews, reimbursement strategy support, and assistance with establishing U.S. corporate entities.