Company

Company name
CellSource Co., Ltd.
Date of establishment
November 30, 2015
Representative
Masato Tsumamoto, CEO & Representative Director
Stock Exchange Listings
Tokyo Stock Exchange (TSE) Prime (Stock Code: 4880)
Location
Headquarters
11F, SHIBUYA CAST., 1-23-21 Shibuya, Shibuya-ku, Tokyo 150-0002 Japan Phone: +81 3 6455 5308 (switchboard)
Haneda Global Cell Processing Center
3-25-22 Tonomachi, Kawasaki-ku, Kawasaki-shi, Kanagawa 210-0821 Japan
Business description
  • Regenerative medicine-related business
Registered patent
  • 成長因子混合物およびその調製方法(Patent Number: 6391872)
  • 成長因子混合物およびその調製方法(Patent Number: 6286094)
  • 加工受発注システム (Patent Number: 6402874)
  • 収容提案システム (Patent Number: 6323824)
Board members
  • CEO & Representative Director
    Masato Tsumamoto
  • Director
    Masayuki Yamakawa
  • External Director
    Norio Murakami
  • External Director
    Takashi Sawada
  • Director (Audit & Supervisory Committee Member)
    Takeshi Amemiya
  • External Director (Audit & Supervisory Committee Member)
    Tsuneyasu Ozaki
  • External Director (Audit & Supervisory Committee Member)
    Kumi Fujisawa
  • Executive Officer
    Hirohiko Hanaki
  • Executive Officer
    Katsuji Onishi
  • Executive Officer
    Kaoru Hosoda
  • Executive Officer
    Futa Asada
Accounting Auditor
Ernst & Young ShinNihon LLC

Corporate Advisor Profiles

Osamu Tsutsumi
Medical Advisor/M.D., Ph.D. (Medicine)
Personal history
  • 1976
    B.M., School of Medicine, Faculty of Medicine, The University of Tokyo
  • 1980
    Medical Assistant, Department of Obstetrics and Gynecology, Faculty of Medicine, The University of Tokyo
  • 1983
    Ph.D. (Medicine), Graduate School of Medicine and Faculty of Medicine, The University of Tokyo
  • 1985
    Studied at NIH Laboratory of Molecular and Cellular Biology in the United States
  • 2001
    Professor, Department of Obstetrics and Gynecology, The University of Tokyo Hospital
    Togu-Shoku Goyo-Gakari (Imperial Household Agency employee assigned to the household of the crown prince)
  • 2018
    Director of Sanno Hospital
    Professor (Incumbent), Department of Clinical Science in Embryology, International University of Health and Welfare
  • 2021
    Honorary Director (Incumbent), Sanno Hospital
Yoshiki Sawa
Medical Advisor/M.D., Ph.D. (Medicine)
Personal history
  • 1980
    B.M., Faculty of Medicine, Osaka University
  • 2006
    JDepartment Head, Cardiovascular and Respiratory Surgery (Surgery I), Graduate School of Medicine/Faculty of Medicine, Osaka University
  • 2015
    President, The Japanese Society for Regenerative Medicine
    Dean, Graduate School of Medicine/Faculty of Medicine, Osaka University
  • 2019
    President (Incumbent), The Japanese Association for Thoracic Surgery
  • 2020
    Council member, Science Council of Japan
  • 2021
    Specially Appointed Professor (Incumbent), Endowed Course for Future Medical Science, Division of Health Sciences, Graduate School of Medicine, Osaka University
    Director (Incumbent), Osaka Police Hospital
Norimasa Nakamura
Advisor/M.D., Ph.D. (Medicine)
Personal history
  • 1988
    B.M., Faculty of Medicine, Osaka University
  • 1994
    Ph.D. (Medicine), Graduate School of Medicine, Osaka University
  • 2009
    Professor (Incumbent), Faculty of Health Science, Osaka Health Science University
    Visiting Professor (Incumbent), Global Center for Medical Engineering and Informatics, Osaka University
  • 2014
    Visiting Professor (Incumbent), Graduate School of Medicine, Hokkaido University
  • 2018
    Visiting Professor (Incumbent), Peking University Institute of Sports Medicine in China
Masahiro Kinooka
Medical Advisor/Ph.D. (Engineering Science)
Personal history
  • 1989
    B.S., Department of Chemical Engineering, Osaka University
  • 1991
    Majored in Chemical Engineering, Graduate School of Engineering Science, Osaka University
  • 1996
    Ph.D., Graduate School of Engineering Science, Osaka University
  • 1996
    Visiting Research Fellow, ETH Zurich (Engineering Sciences)
  • 2009
    Professor (Incumbent), Graduate School of Engineering, Osaka University
  • 2021
    Director (Incumbent), Research Base for Cell Manufacturability, Techno-Arena, Graduate School of Engineering, Osaka University
Kazuhiro Kawamura
Medical Advisor/M.D., Ph.D. (Medicine)
Personal history
  • 1996
    B.M., Faculty of Medicine, Akita University
  • 2001
    Ph.D., Graduate School of Medicine, Akita University
  • 2003
    Research Fellow, Molecular and Cellular Biology Course, Faculty of Obstetrics and Gynecology, Department of Medicine, Stanford University
  • 2007
    Visiting Professor (Incumbent), Faculty of Obstetrics and Gynecology, Department of Medicine, Stanford University
  • 2012
    Director and Associate Professor, The Reproduction and Fertility Center, Department of Obstetrics and Gynecology, St. Marianna University School of Medicine
  • 2018
    Professor (Incumbent), Obstetrics and Gynecology Course, Faculty of Medicine, International University of Health and Welfare Director (Incumbent), Advanced Reproductive Medicine Research Center, International University of Health and Welfare. Visiting Professor (Incumbent), Obstetrics and Gynecology Course, Faculty of Medicine, Juntendo University
Masato Iwasaki
Drug Discovery Strategic Advisor
Personal history
  • 1983
    Graduated from the School of Pharmacy,Tokyo University of Pharmacy and Life Sciences
  • 2020
    Representative Director, Member of the Board Takeda Pharmaceutical Company Limited
  • 2022
    Guest Professor(Incumbent),Tokyo University of Pharmacy and Life Sciences
  • 2022
    Independent External Director, JSR Corporation (Incumbent)
  • 2023
    CEO and Representative Director, Rock & Company (Incumbent)
  • 2023
    Senior Executive Fellow, Industrial Growth Platform, Inc. (IGPI) (Incumbent)
Masahiro Samejima
Corporate Lawyer/Patent Attorney (Uchida & Samejima Law Firm)
Personal history
  • 1985
    B.E., Department of Metallurgical Engineering, Tokyo Institute of Technology
  • 1985
    Joined Fujikura Electric Wire Corporation (currently known as Fujikura Ltd.)
  • 1992
    Joined IBM Japan, Ltd.
  • 1999
    Registered with the Daini Tokyo Bar Association (the 51st term) / Joined Oba & Ozaki Law Office
  • 2000
    Joined the Matsuo Law Offices (currently known as Matsuo & Kosugi)
  • 2004
    Founded the Uchida & Samejima Law Firm
Sho Iwamoto
Corporate Lawyer (KnowledgeWing Law Firm)
Personal history
  • 2004
    LL.B., Faculty of Law, Doshisha University
  • 2007
    J.D., Ritsumeikan University School of Law
  • 2008
    Registered as a lawyer in Japan (the new 61st term) / Joined Kyowa-sogo Law Office
  • 2014
    LL.M., Fordham University School of Law in the U.S.
  • 2014
    Joined the Marubeni Corporation as an in-house lawyer in its legal department
  • 2015
    Registered with the New York State Bar Association
  • 2017
    Opened KnowledgeWing Law Office
  • 2018
    Incorporated KnowledgeWing Law Firm