TREA

Kenji Yokoyama

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Camera having light-source determining function
    • Patent number 5,621,494
    • Issue date Apr 15, 1997
    • Canon Kabushiki Kaisha
    • Jiro Kazumi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera having a zoom flash unit
    • Patent number 5,355,189
    • Issue date Oct 11, 1994
    • Canon Kabushiki Kaisha
    • Ryuichi Kobayashi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera
    • Patent number 5,264,894
    • Issue date Nov 23, 1993
    • Canon Kabushiki Kaisha
    • Ryuichi Kobayashi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY