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Kosei Obata

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  • Miyagi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Illuminating device for an electric part
    • Patent number 4,807,091
    • Issue date Feb 21, 1989
    • Alps Electric Co., Ltd.
    • Kosei Obata
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Device for displaying operation of knob
    • Patent number 4,778,966
    • Issue date Oct 18, 1988
    • Alps Electric Co., Ltd.
    • Kosei Obata
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical switch
    • Patent number 4,705,348
    • Issue date Nov 10, 1987
    • Alps Electric Co., Ltd.
    • Hiroshi Matsunaga
    • G02 - OPTICS
  • Information Patent Grant

    Light transmission device
    • Patent number 4,684,210
    • Issue date Aug 4, 1987
    • Alps Electric Co., Ltd.
    • Hiroshi Matsunaga
    • G02 - OPTICS
  • Information Patent Grant

    Device for detecting rotating speed of thin shape motor
    • Patent number 4,606,223
    • Issue date Aug 19, 1986
    • Alps Electric Co., Ltd.
    • Hiroshi Matsunaga
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Rotary encoder
    • Patent number 4,580,871
    • Issue date Apr 8, 1986
    • Alps Electric Co., Ltd.
    • Hiroshi Matsunaga
    • G01 - MEASURING TESTING