TREA

Hideshi Oono

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  • Sayama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric timepiece for displaying the operating condition thereof
    • Patent number RE30588
    • Issue date Apr 21, 1981
    • Citizen Watch Co. Ltd.
    • Munetaka Tamaru
    • 368 - Horology: time measuring systems or devices
  • Information Patent Grant

    Timepiece
    • Patent number 4,232,510
    • Issue date Nov 11, 1980
    • Citizen Watch Co., Ltd.
    • Munetaka Tamaru
    • G04 - HOROLOGY
  • Information Patent Grant

    Electronic timepiece
    • Patent number 4,209,970
    • Issue date Jul 1, 1980
    • Citizen Watch Co., Ltd.
    • Kazunari Kume
    • G04 - HOROLOGY