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Michio Hirohata

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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical apparatus
    • Patent number 5,864,719
    • Issue date Jan 26, 1999
    • Canon Kabushiki Kaisha
    • Michio Hirohata
    • G02 - OPTICS
  • Information Patent Grant

    Data imprinting device
    • Patent number 5,771,415
    • Issue date Jun 23, 1998
    • Canon Kabushiki Kaisha
    • Koichi Matsumura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera using variable magnification photographic optical system unit
    • Patent number 5,410,379
    • Issue date Apr 25, 1995
    • Canon Kabushiki Kaisha
    • Michio Hirohata
    • G02 - OPTICS
  • Information Patent Grant

    Red-eye phenomenon preventing device
    • Patent number 5,285,232
    • Issue date Feb 8, 1994
    • Canon Kabushiki Kaisha
    • Hidenori Taniguchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Drop-in loading type camera
    • Patent number 5,250,972
    • Issue date Oct 5, 1993
    • Canon Kabushiki Kaisha
    • Michio Hirohata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    35 mm camera
    • Patent number D329054
    • Issue date Sep 1, 1992
    • Canon Kabushiki Kaisha
    • Noboru Tanaka
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Camera
    • Patent number 5,008,693
    • Issue date Apr 16, 1991
    • Canon Kabushiki Kaisha
    • Michio Hirohata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Focal length changeable camera
    • Patent number 5,005,038
    • Issue date Apr 2, 1991
    • Canon Kabushiki Kaisha
    • Yukio Ogawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Flash device for camera
    • Patent number 4,983,998
    • Issue date Jan 8, 1991
    • Canon Kabushiki Kaisha
    • Michio Hirohata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera
    • Patent number D308214
    • Issue date May 29, 1990
    • Canon Kabushiki Kaisha
    • Noboru Tanaka
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Camera
    • Patent number D306452
    • Issue date Mar 6, 1990
    • Canon Kabushiki Kaisha
    • Noboru Tanaka
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Optical system shifting device for a camera
    • Patent number 4,811,060
    • Issue date Mar 7, 1989
    • Canon Kabushiki Kaisha
    • Makoto Miyawaki
    • G02 - OPTICS
  • Information Patent Grant

    Vari-focal camera
    • Patent number 4,725,864
    • Issue date Feb 16, 1988
    • Canon Kabushiki Kaisha
    • Yukio Ogawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Motorized camera
    • Patent number 4,724,450
    • Issue date Feb 9, 1988
    • Canon Kabushiki Kaisha
    • Makoto Miyawaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera
    • Patent number D293917
    • Issue date Jan 26, 1988
    • Canon Kabushiki Kaisha
    • Noboru Tanaka
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Motor driven focal length changing device for a camera
    • Patent number 4,601,563
    • Issue date Jul 22, 1986
    • Canon Kabushiki Kaisha
    • Makoto Miyawaki
    • G02 - OPTICS
  • Information Patent Grant

    Exposure control device for camera
    • Patent number 4,534,638
    • Issue date Aug 13, 1985
    • Canon Kabushiki Kaisha
    • Michio Hirohata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electromagnetically driven shutter camera having automatic focusing...
    • Patent number 4,508,442
    • Issue date Apr 2, 1985
    • Canon Kabushiki Kaisha
    • Michio Hirohata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electromagnetically driven shutter with focus adjusting function
    • Patent number 4,505,567
    • Issue date Mar 19, 1985
    • Canon Kabushiki Kaisha
    • Michio Hirohata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Photographic operation control circuit for camera
    • Patent number 4,496,227
    • Issue date Jan 29, 1985
    • Canon Kabushiki Kaisha
    • Isao Harigaya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electromagnetically driven shutter
    • Patent number 4,487,493
    • Issue date Dec 11, 1984
    • Canon Kabushiki Kaisha
    • Hideo Ikari
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electromagnetic drive device
    • Patent number 4,466,723
    • Issue date Aug 21, 1984
    • Canon Kabushiki Kaisha
    • Hideo Ikari
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electromagnetic drive device for camera
    • Patent number 4,466,725
    • Issue date Aug 21, 1984
    • Canon Kabushiki Kaisha
    • Michio Hirohata
    • G02 - OPTICS
  • Information Patent Grant

    Photographic operation control circuit for camera
    • Patent number 4,458,996
    • Issue date Jul 10, 1984
    • Canon Kabushiki Kaisha
    • Isao Harigaya
    • G02 - OPTICS
  • Information Patent Grant

    Camera having an electromagnetically driven shutter
    • Patent number 4,452,521
    • Issue date Jun 5, 1984
    • Canon Kabushiki Kaisha
    • Michio Hirohata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera having a plurality of built-in lenses
    • Patent number 4,451,129
    • Issue date May 29, 1984
    • Canon Kabushiki Kaisha
    • Hideo Ikari
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Exposure control system
    • Patent number 4,420,237
    • Issue date Dec 13, 1983
    • Canon Kabushiki Kaisha
    • Yukio Ogawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electromagnetically operated shutter
    • Patent number 4,415,252
    • Issue date Nov 15, 1983
    • Canon Kabushiki Kaisha
    • Michio Hirohata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera with electromagnetically operated shutter
    • Patent number 4,410,249
    • Issue date Oct 18, 1983
    • Canon Kabushiki Kaisha
    • Michio Hirohata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electromagnetic drive device for electro-magnetically operated shutter
    • Patent number 4,410,255
    • Issue date Oct 18, 1983
    • Canon Kabushiki Kaisha
    • Michio Hirohata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY