Masaaki Takai

Person

  • Tokushima, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Phenanthrene derivatives

    • Patent number 5,192,817
    • Issue date Mar 9, 1993
    • Otsuka Pharmaceutical Co., Ltd.
    • Yoshihisa Takaishi
    • C07 - ORGANIC CHEMISTRY