TREA

Kenshin Niwa

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  • Osaka, JP
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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

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    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-...