Katsuhiko Hamaguchi

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Cephalosporin derivatives

    • Patent number 5,233,035
    • Issue date Aug 3, 1993
    • Yamanouchi Pharmaceutical Co., Ltd.
    • Ryuichiro Hara
    • C07 - ORGANIC CHEMISTRY