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Eijiro Umemura

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  • Kanagawa-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cephem derivatives
    • Patent number 5,883,089
    • Issue date Mar 16, 1999
    • Meiji Seika Kabushiki Kaisha
    • Eijiro Umemura
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Cephem derivatives
    • Patent number 5,663,162
    • Issue date Sep 2, 1997
    • Meiji Seika Kabushiki Kaisha
    • Kunio Atsumi
    • C07 - ORGANIC CHEMISTRY