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Shunzo Oka

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  • Hirakata, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary encoder
    • Patent number 4,652,947
    • Issue date Mar 24, 1987
    • Matsushita Electric Industrial Co., Ltd.
    • Shunzo Oka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Dust venting contact with a non-circular hole
    • Patent number 4,412,113
    • Issue date Oct 25, 1983
    • Matsushita Electric Industrial Co., Ltd.
    • Itaru Mitsugi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Click setting variable resistor
    • Patent number 4,344,063
    • Issue date Aug 10, 1982
    • Matsushita Electric Industrial Co. Ltd.
    • Tadashi Nishimoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Mechanical remote control system
    • Patent number 4,253,004
    • Issue date Feb 24, 1981
    • Matsushita Electric Industrial Co., Ltd.
    • Shunzo Oka
    • H01 - BASIC ELECTRIC ELEMENTS