TREA

Kumio Ozeki

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Key switch
    • Patent number 5,512,722
    • Issue date Apr 30, 1996
    • SMK Corporation
    • Kumio Ozeki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Double-axis key switch
    • Patent number 5,448,026
    • Issue date Sep 5, 1995
    • SMK Corporation
    • Kumio Ozeki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Keyboard switch
    • Patent number 5,430,267
    • Issue date Jul 4, 1995
    • SMK Corporation
    • Kumio Ozeki
    • H01 - BASIC ELECTRIC ELEMENTS