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Hitoshi Arai

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Patents Grantslast 30 patents

  • Information Patent Grant

    Preventive and/or therapeutic agent for neutrophilic inflammatory d...
    • Patent number 8,507,484
    • Issue date Aug 13, 2013
    • Kyowa Hakko Kirin Co., Ltd.
    • Kyoichiro Iida
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Pyrimidodiazepinone derivative
    • Patent number 7,998,954
    • Issue date Aug 16, 2011
    • Kyowa Hakko Kirin Co., Ltd.
    • Nobumasa Otsubo
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Pyrimidine derivative compound
    • Patent number 7,956,060
    • Issue date Jun 7, 2011
    • Kyowa Hakko Kirin Co., Ltd.
    • Hitoshi Arai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Bicyclic pyrimidine derivatives
    • Patent number 7,524,852
    • Issue date Apr 28, 2009
    • Kyowa Hakko Kogyo Co., Ltd.
    • Hitoshi Arai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    DC107 derivatives
    • Patent number 6,080,771
    • Issue date Jun 27, 2000
    • Kyowa Hakko Kogyo Co., Ltd.
    • Yutaka Kanda
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    DC107 derivatives
    • Patent number 5,981,558
    • Issue date Nov 9, 1999
    • Kyowa Hakko Kogyo Co., Ltd.
    • Hitoshi Arai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Indole 3-carboxylic acid derivatives
    • Patent number 5,344,938
    • Issue date Sep 6, 1994
    • Kyowa Hakko Kogyo Co., Ltd.
    • Masaji Kasai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    6-ethyl mitomycin derivatives
    • Patent number 5,334,611
    • Issue date Aug 2, 1994
    • Kyowa Hakko Kogyo Co., Ltd.
    • Hitoshi Arai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Mitomycin derivatives
    • Patent number 5,256,685
    • Issue date Oct 26, 1993
    • Kyowa Hakko Kogyo Co., Ltd.
    • Hitoshi Arai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Halogen substituted mitomycin derivatives
    • Patent number 5,218,126
    • Issue date Jun 8, 1993
    • Kyowa Hakko Kogyo Co., Ltd.
    • Hitoshi Arai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Mitomycin derivatives
    • Patent number 5,180,825
    • Issue date Jan 19, 1993
    • Kyowa Hakko Kogyo Co., Ltd.
    • Hitoshi Arai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Mitomycin derivatives
    • Patent number 5,068,349
    • Issue date Nov 26, 1991
    • Kyowa Hakko Kogyo Co., Ltd.
    • Yutaka Kanda
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Mitomycin derivatives and intermediates therefor
    • Patent number 5,021,423
    • Issue date Jun 4, 1991
    • Kyowa Hakko Kogyo Kabushiki Kaisha
    • Yutaka Kanda
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents