TREA

Naokatsu Okamura

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Patents Grantslast 30 patents

  • Information Patent Grant

    Key cylinder and method for assembling a key cylinder
    • Patent number 6,837,083
    • Issue date Jan 4, 2005
    • Kabushiki Kaisha Tokai Rika Denki Seisakusho
    • Toshiharu Katagiri
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Key with built-in transmitting element
    • Patent number 6,164,101
    • Issue date Dec 26, 2000
    • Kabushiki Kaisha Tokairika-Denki-Seisakusho
    • Shozo Kito
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Locking apparatus with a key
    • Patent number 4,956,983
    • Issue date Sep 18, 1990
    • Kabushiki Kaisha Tokai Rika Denki Seisakusho
    • Naokatsu Okamura
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents