Ritsuo Tanaka

Person

  • Osaka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Electrophotographic copying apparatus

    • Patent number 4,908,667
    • Issue date Mar 13, 1990
    • Noritsu Koki Co., Ltd.
    • Hiroo Ikeura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY