Yukihiro Fukuyama

Person

  • Naka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Electrophotographic toner composition

    • Patent number 4,749,638
    • Issue date Jun 7, 1988
    • Kao Corporation
    • Rikio Tsushima
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY