Ken Kawatta

Person

  • Minami-ashigara, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Information recording medium

    • Patent number 4,943,515
    • Issue date Jul 24, 1990
    • Fuji Photo Film Co., Ltd.
    • Masaki Okazaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY