Ikufumi Yoshitake

Person

  • Shizuoka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Pyrazoloquinoline derivatives

    • Patent number 5,192,768
    • Issue date Mar 9, 1993
    • Kyowa Hakko Kogyo Co., Ltd.
    • Fumio Suzuki
    • C07 - ORGANIC CHEMISTRY