TREA

Masaaki Haga

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Exposure-condition setting device for camera
    • Patent number 6,427,052
    • Issue date Jul 30, 2002
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Mikio Ogi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera with learning function
    • Patent number 5,774,746
    • Issue date Jun 30, 1998
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Tadayuki Kirigaya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Information setting data dial for a camera
    • Patent number 5,761,554
    • Issue date Jun 2, 1998
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Tadayuki Kirigaya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Information setting and displaying device for a camera
    • Patent number 5,749,005
    • Issue date May 5, 1998
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Masaaki Haga
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Information setting and display device for a camera
    • Patent number 5,742,853
    • Issue date Apr 21, 1998
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Masaaki Haga
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera having a built-in strobe device
    • Patent number 5,721,984
    • Issue date Feb 24, 1998
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Hidefumi Kaneko
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera with learning function
    • Patent number 5,682,558
    • Issue date Oct 28, 1997
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Tadayuki Kirigaya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY