Yoshihito Higashitutumi

Person

  • Gifu, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Visible telephone

    • Patent number 5,077,784
    • Issue date Dec 31, 1991
    • Sanyo Electric Co., Ltd.
    • Tsutomu Fujita
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE