TREA

Katsuo Hatayama

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optically active substituted phenylalkylamine derivatives
    • Patent number 5,990,151
    • Issue date Nov 23, 1999
    • Taisho Pharmaceutical Co., Ltd.
    • Atsuro Nakazato
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Quinolinecarboxylic acid derivatives
    • Patent number 5,753,673
    • Issue date May 19, 1998
    • Taisho Pharmaceutical Co., Ltd.
    • Yutaka Ohuchi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Heterocyclic compound
    • Patent number 5,733,917
    • Issue date Mar 31, 1998
    • Taisho Pharmaceutical Co., Ltd.
    • Yutaka Ohuchi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Steroid derivatives
    • Patent number 5,712,263
    • Issue date Jan 27, 1998
    • Taisho Pharmaceutical Co., Ltd.
    • Chihiro Yokoo
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Thiazoline derivatives
    • Patent number 5,672,712
    • Issue date Sep 30, 1997
    • Taisho Pharmaceutical Co., Ltd.
    • Masakazu Sato
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    5-O-desosaminylerythronolide derivatives
    • Patent number 5,631,354
    • Issue date May 20, 1997
    • Taisho Pharmaceutical Co., Ltd.
    • Toshifumi Asaka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    5-O-desosaminylerythronolide a derivatives
    • Patent number 5,631,355
    • Issue date May 20, 1997
    • Taisho Pharmaceutical Co., Ltd.
    • Toshifumi Asaka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    5-O-desosaminylerythronolide derivatives
    • Patent number 5,602,239
    • Issue date Feb 11, 1997
    • Taisho Pharmaceutical Co., Ltd.
    • Yoko Misawa
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Indolo[2,3-b]quinoxaline derivatives
    • Patent number 5,597,921
    • Issue date Jan 28, 1997
    • Taisho Pharmaceutical Co., Ltd.
    • Taro Matsumoto
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    5-O-desosaminylerythronolide a derivative
    • Patent number 5,591,837
    • Issue date Jan 7, 1997
    • Taisho Pharmaceutical Co., Ltd.
    • Toshifumi Asaka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Heterocyclic compound
    • Patent number 5,571,820
    • Issue date Nov 5, 1996
    • Taisho Pharmaceutical Co., Ltd.
    • Yutaka Ohuchi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    5-O-desosaminylerythronolide derivatives
    • Patent number 5,523,399
    • Issue date Jun 4, 1996
    • Taisho Pharmaceutical Co., Ltd.
    • Toshifumi Asaka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    5-aminoacetylaminosulfonanilide compounds
    • Patent number 5,521,311
    • Issue date May 28, 1996
    • Taisho Pharmaceutical Co., Ltd.
    • Kensei Yoshikawa
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Aminoalkylthiazole derivative
    • Patent number 5,502,202
    • Issue date Mar 26, 1996
    • Taisho Pharmaceutical Co., Ltd.
    • Atsuro Nakazato
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Use of 2-nitroxyethyl (+)apovincaminate
    • Patent number 5,496,829
    • Issue date Mar 5, 1996
    • Taisho Pharmaceutical Co., Ltd.
    • Shigeru Okuyama
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Alkoxyphenylalkylamine derivatives
    • Patent number 5,495,046
    • Issue date Feb 27, 1996
    • Taisho Pharmaceutical Co., Ltd.
    • Atsuro Nakazato
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Thiazoline derivatives
    • Patent number 5,478,945
    • Issue date Dec 26, 1995
    • Taisho Pharmaceutical Co., Ltd.
    • Masakazu Sato
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Anilide derivative
    • Patent number 5,475,130
    • Issue date Dec 12, 1995
    • Taisho Pharmaceutical Co., Ltd.
    • Masakazu Sato
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    5-amino-2-phenoxysulfonanilide compound
    • Patent number 5,449,826
    • Issue date Sep 12, 1995
    • Taisho Pharmaceutical Co., Ltd.
    • Kensei Yoshikawa
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Anilide derivatives
    • Patent number 5,416,212
    • Issue date May 16, 1995
    • Taisho Pharmaceutical Co., Ltd.
    • Masakazu Sato
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    6-0-methylerythromycin A derivatives
    • Patent number 5,403,923
    • Issue date Apr 4, 1995
    • Taisho Pharmaceutical Co., Ltd.
    • Masato Kashimura
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    5-aminosulfonanilide compounds
    • Patent number 5,374,764
    • Issue date Dec 20, 1994
    • Taisho Pharmaceutical Co., Ltd.
    • Kensei Yoshikawa
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    2'-position modified compound of erythromycin or its derivative
    • Patent number 5,350,839
    • Issue date Sep 27, 1994
    • Taisho Pharmaceutical Co., Ltd.
    • Toshifumi Asaka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Naphthothiopyranone derivatives
    • Patent number 5,347,012
    • Issue date Sep 13, 1994
    • Taisho Pharmaceutical Co., Ltd.
    • Tatsuhiko Sano
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    6-O-methylerythromycin A oxime derivatives
    • Patent number 5,302,705
    • Issue date Apr 12, 1994
    • Taisho Pharmaceutical Co., Ltd.
    • Yoko Misawa
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Epoxysuccinamic acid derivatives
    • Patent number 5,281,717
    • Issue date Jan 25, 1994
    • Taisho Pharmaceutical Co., Ltd.
    • Mitsuo Murata
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Carbazole compounds
    • Patent number 5,116,995
    • Issue date May 26, 1992
    • Taisho Pharmaceutical Co., Ltd.
    • Atsuro Nakazato
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Chalcone derivatives
    • Patent number 5,089,654
    • Issue date Feb 18, 1992
    • Taisho Pharmaceutical Co., Ltd.
    • Sadakazu Yokomori
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    1,4-dihydropyridine derivatives
    • Patent number 5,047,543
    • Issue date Sep 10, 1991
    • Taisho Pharmaceutical Co., Ltd.
    • Toshihisa Ogawa
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Apovincaminic acid derivatives
    • Patent number 4,980,474
    • Issue date Dec 25, 1990
    • Taisho Pharmaceutical Co., Ltd.
    • Masatoshi Hayashi
    • C07 - ORGANIC CHEMISTRY