Toshiyuki Hirohashi

Person

  • Ibaragi, JA

Patents Grantslast 30 patents

  • Information Patent Grant

    Benzodiazepine derivatives

    • Patent number 4,079,053
    • Issue date Mar 14, 1978
    • Sumitomo Chemical Company, Limited
    • Hisao Yamamoto
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Benzodiazepinones

    • Patent number 4,010,154
    • Issue date Mar 1, 1977
    • Sumitomo Chemical Company, Limited
    • Hisao Yamamoto
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Preparation of benzodiazepines

    • Patent number 4,002,611
    • Issue date Jan 11, 1977
    • Sumitomo Chemical Company, Limited
    • Hisao Yamamoto
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    1-Substituted-1,2-dihydrothieno[2,3-d]-pyrimidin-2-one derivatives

    • Patent number 4,001,412
    • Issue date Jan 4, 1977
    • Sumitomo Chemical Company, Limited
    • Toshiyuki Hirohashi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    1,4-Benzodiazepines

    • Patent number 3,989,829
    • Issue date Nov 2, 1976
    • Sumitomo Chemical Company, Limited
    • Hisao Yamamoto
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Thieno[2,3-d]pyrimidine derivatives

    • Patent number 3,957,783
    • Issue date May 18, 1976
    • Sumitomo Chemical Company, Limited
    • Toshiyuki Hirohashi
    • C07 - ORGANIC CHEMISTRY