Tomoko Tsunesumi

Person

  • Tanashi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic timepiece

    • Patent number 4,465,380
    • Issue date Aug 14, 1984
    • Citizen Watch Co., Ltd.
    • Mitsuhiro Murata
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS