Akira Shiraishi

Person

  • Yokosuka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Signed document transmission system

    • Patent number 4,625,076
    • Issue date Nov 25, 1986
    • Nippon Telegraph & Telephone Public Corporation
    • Tatsuaki Okamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE