TREA

Kenichi Kumazawa

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  • Machida, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Single lens reflex camera
    • Patent number 4,381,145
    • Issue date Apr 26, 1983
    • Canon Kabushiki Kaisha
    • Kikuo Momiyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Single lens reflex camera
    • Patent number 4,295,723
    • Issue date Oct 20, 1981
    • Canon Kabushiki Kaisha
    • Kikuo Momiyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Exposure adjusting device for camera system
    • Patent number 4,206,987
    • Issue date Jun 10, 1980
    • Canon Kabushiki Kaisha
    • Akio Sunouchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY