TREA

Tsunemasa Ohara

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Patents Grantslast 30 patents

  • Information Patent Grant

    Driving mechanism of camera
    • Patent number 5,307,102
    • Issue date Apr 26, 1994
    • Canon Kabushiki Kaisha
    • Tsunemasa Ohara
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera with motorized film rewinding device
    • Patent number RE34083
    • Issue date Sep 29, 1992
    • Canon Kabushiki Kaisha
    • Masaharu Kawamura
    • 354 -
  • Information Patent Grant

    Automatic focusing device
    • Patent number 5,053,798
    • Issue date Oct 1, 1991
    • Canon Kabushiki Kaisha
    • Tsunemasa Ohara
    • G02 - OPTICS
  • Information Patent Grant

    Electric driving device capable of eliminating backlash
    • Patent number 5,008,605
    • Issue date Apr 16, 1991
    • Canon Kabushiki Kaisha
    • Tsunemasa Ohara
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Camera
    • Patent number 4,992,821
    • Issue date Feb 12, 1991
    • Canon Kabushiki Kaisha
    • Masayoshi Kiuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera system
    • Patent number 4,969,000
    • Issue date Nov 6, 1990
    • Canon Kabushiki Kaisha
    • Tsunemasa Ohara
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera system
    • Patent number 4,967,216
    • Issue date Oct 30, 1990
    • Canon Kabushiki Kaisha
    • Tetsuya Nishio
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera system
    • Patent number 4,912,494
    • Issue date Mar 27, 1990
    • Canon Kabushiki Kaisha
    • Tsunefumi Tanaka
    • G02 - OPTICS
  • Information Patent Grant

    Camera
    • Patent number 4,799,074
    • Issue date Jan 17, 1989
    • Canon Kabushiki Kaisha
    • Masaharu Kawamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera having film information reading device
    • Patent number 4,779,109
    • Issue date Oct 18, 1988
    • Canon Kabushiki Kaisha
    • Masaharu Kawamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Transmission changeover mechanism for camera
    • Patent number 4,766,452
    • Issue date Aug 23, 1988
    • Canon Kabushiki Kaisha
    • Tsunemasa Ohara
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera with motorized film rewinding device
    • Patent number 4,752,793
    • Issue date Jun 21, 1988
    • Canon Kabushiki Kaisha
    • Masaharu Kawamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Film drive device
    • Patent number 4,739,354
    • Issue date Apr 19, 1988
    • Canon Kabushiki Kaisha
    • Ryuichi Kobayashi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Film transportation device for camera
    • Patent number 4,734,732
    • Issue date Mar 29, 1988
    • Canon Kabushiki Kaisha
    • Tetsuya Nishio
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Motor driven camera
    • Patent number 4,728,975
    • Issue date Mar 1, 1988
    • Canon Kabushiki Kaisha
    • Tsunemasa Ohara
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera
    • Patent number 4,718,758
    • Issue date Jan 12, 1988
    • Canon Kabushiki Kaisha
    • Masaharu Kawamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Automatic film loading device for camera
    • Patent number 4,716,428
    • Issue date Dec 29, 1987
    • Canon Kabushiki Kaisha
    • Masaharu Kawamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Motorized drive device for camera
    • Patent number 4,699,488
    • Issue date Oct 13, 1987
    • Canon Kabushiki Kaisha
    • Masayuki Suzuki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Mode setting device for camera
    • Patent number 4,699,487
    • Issue date Oct 13, 1987
    • Canon Kabushiki Kaisha
    • Masaharu Kawamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Motorized drive device for camera
    • Patent number 4,697,899
    • Issue date Oct 6, 1987
    • Canon Kabushiki Kaisha
    • Masaharu Kawamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Motorized drive device for camera
    • Patent number 4,690,532
    • Issue date Sep 1, 1987
    • Canon Kabushiki Kaisha
    • Masaharu Kawamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera
    • Patent number 4,679,925
    • Issue date Jul 14, 1987
    • Canon Kabushiki Kaisha
    • Masaharu Kawamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Film transport apparatus for camera
    • Patent number 4,673,272
    • Issue date Jun 16, 1987
    • Canon Kabushiki Kaisha
    • Masayuki Suzuki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Motorized camera
    • Patent number 4,671,635
    • Issue date Jun 9, 1987
    • Canon Kabushiki Kaisha
    • Tsunemasa Ohara
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Drive device for camera
    • Patent number 4,659,201
    • Issue date Apr 21, 1987
    • Canon Kabushiki Kaisha
    • Masayuki Suzuki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera
    • Patent number 4,616,913
    • Issue date Oct 14, 1986
    • Canon Kabushiki Kaisha
    • Masayuki Suzuki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Delay mechanism for single reflex camera
    • Patent number 4,534,633
    • Issue date Aug 13, 1985
    • Canon Kabushiki Kaisha
    • Tsunemasa Ohara
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Single lens reflex camera
    • Patent number 4,508,439
    • Issue date Apr 2, 1985
    • Canon Kabushiki Kaisha
    • Tsunemasa Ohara
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Light shielding device in single lens reflex camera
    • Patent number 4,498,750
    • Issue date Feb 12, 1985
    • Canon Kabushiki Kaisha
    • Masayuki Suzuki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Optical element positioning method and optical element assembly uti...
    • Patent number 4,470,682
    • Issue date Sep 11, 1984
    • Canon Kabushiki Kaisha
    • Masayuki Suzuki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY