Katsuhiro Tsujihata

Person

  • Ube, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Modeling material composition

    • Patent number 4,624,976
    • Issue date Nov 25, 1986
    • Nippon Petrochemicals Co., Ltd.
    • Osamu Amano
    • B22 - CASTING POWDER METALLURGY