Toshio Higashihara

Person

  • Ibaragi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Optical recording disc

    • Patent number 4,710,913
    • Issue date Dec 1, 1987
    • Hitachi Maxell, Ltd.
    • Seiichi Matsushima
    • G11 - INFORMATION STORAGE