TREA

Yutaka Kamijo

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical system having composite prism
    • Patent number 6,021,006
    • Issue date Feb 1, 2000
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Etsuro Nishio
    • G02 - OPTICS
  • Information Patent Grant

    Prism
    • Patent number 5,969,869
    • Issue date Oct 19, 1999
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Isamu Hirai
    • G02 - OPTICS
  • Information Patent Grant

    Switching device with DX contacts for a camera
    • Patent number 5,915,134
    • Issue date Jun 22, 1999
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Akihiro Arai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Switch with locking resilient tabs
    • Patent number 5,839,010
    • Issue date Nov 17, 1998
    • Asahi Kogaku Kabushiki Kaisha
    • Akihiro Arai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Switching device for a camera
    • Patent number 5,678,107
    • Issue date Oct 14, 1997
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Akihiro Arai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY