Tomoyuki Ishibshi deceased

Person

  • late of Yokohama, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Optical recording medium

    • Patent number 4,433,340
    • Issue date Feb 21, 1984
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Masao Mashita
    • G11 - INFORMATION STORAGE