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Kiyotaka Ihara

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  • Yamaguchi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Diphenylnaphthylamine derivatives
    • Patent number 8,722,288
    • Issue date May 13, 2014
    • Hodogaya Chemical Co., Ltd.
    • Shigetaka Numazawa
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    TRIPHENYLAMINE DERIVATIVES
    • Publication number 20130071780
    • Publication date Mar 21, 2013
    • Hodogaya Chemical Co., Ltd.
    • Shigetaka Numazawa
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    DIPHENYLNAPHTHYLAMINE DERIVATIVES
    • Publication number 20120208117
    • Publication date Aug 16, 2012
    • Hodogaya Chemical Co., Ltd.
    • Shigetaka Numazawa
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    INDOLE DERIVATIVES
    • Publication number 20120052427
    • Publication date Mar 1, 2012
    • Hodogaya Chemical Co., Ltd.
    • Shigetaka Numazawa
    • C07 - ORGANIC CHEMISTRY