Yoshio Tojima

Person

  • Shiga, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic recording medium

    • Patent number 4,666,784
    • Issue date May 19, 1987
    • Toyo Boseki Kabushiki Kaisha
    • Chyuji Inukai
    • G11 - INFORMATION STORAGE