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Akihiko Okamoto

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  • Numazu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    DC-89 derivatives
    • Patent number 5,670,492
    • Issue date Sep 23, 1997
    • Kyowa Hakko Kogyo Co., Ltd.
    • Nobuyoshi Amishiro
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Pyrrolo-indole derivatives
    • Patent number 5,641,780
    • Issue date Jun 24, 1997
    • Kyowa Hakko Kogyo Co., Ltd.
    • Nobuyoshi Amishiro
    • C07 - ORGANIC CHEMISTRY