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Masateru Ohta

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Patents Grantslast 30 patents

  • Information Patent Grant

    Spiroimidazolone derivative
    • Patent number 9,487,517
    • Issue date Nov 8, 2016
    • CHUGAI SEIYAKU KABUSHIKI KAISHA
    • Toru Esaki
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Spiroimidazolone derivative
    • Patent number 9,169,254
    • Issue date Oct 27, 2015
    • CHUGAI SEIYAKU KABUSHIKI KAISHA
    • Toru Esaki
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Imidazolidine derivative and use thereof
    • Patent number 8,470,829
    • Issue date Jun 25, 2013
    • CHUGAI SEIYAKU KABUSHIKI KAISHA
    • Kazutaka Tachibana
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    α-amino acid derivatives and medicaments containing the same as an...
    • Patent number 7,879,887
    • Issue date Feb 1, 2011
    • Nissan Chemical Industries, Ltd.
    • Kazuhiko Ohrai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Imidazolidine derivatives
    • Patent number 7,803,826
    • Issue date Sep 28, 2010
    • CHUGAI SEIYAKU KABUSHIKI KAISHA
    • Kazutaka Tachibana
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Imidazolidine derivatives
    • Patent number 7,271,188
    • Issue date Sep 18, 2007
    • Chugai Seikayu Kabushiki Kaisha
    • Kazutaka Tachibana
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Antiandrogenic agent
    • Patent number 7,018,993
    • Issue date Mar 28, 2006
    • CHUGAI SEIYAKU KABUSHIKI KAISHA
    • Masateru Ohta
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents