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Chikahiro Urakawa

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  • Machida, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mitomycin derivatives
    • Patent number 4,264,504
    • Issue date Apr 28, 1981
    • Kyowa Hakko Kogyo Co., Ltd.
    • Chikahiro Urakawa
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Mitomycin C derivatives
    • Patent number 4,231,936
    • Issue date Nov 4, 1980
    • Kyowa Hakko Kogyo Kabushiki Kaisha
    • Kinichi Nakano
    • C07 - ORGANIC CHEMISTRY