Seihin Shu

Person

  • Osaka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Compound and polymeric compound

    • Patent number 8,519,073
    • Issue date Aug 27, 2013
    • Tokyo Ohka Kogyo Co., Ltd.
    • Yoshiyuki Utsumi
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    COMPOUND AND POLYMERIC COMPOUND

    • Publication number 20100069590
    • Publication date Mar 18, 2010
    • Tokyo Ohka Kogyo Co., Ltd.
    • Yoshiyuki Utsumi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...