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Sachio Hasushita

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    View finder device having compact structure
    • Patent number 6,314,247
    • Issue date Nov 6, 2001
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Makoto Mogamiya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Dual image coincidence type finder system
    • Patent number 6,275,657
    • Issue date Aug 14, 2001
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Takaaki Yano
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Eyepiece optical system for a single lens reflex camera
    • Patent number 6,263,168
    • Issue date Jul 17, 2001
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sachio Hasushita
    • G02 - OPTICS
  • Information Patent Grant

    Eyepiece optical system for a single lens reflex camera
    • Patent number 6,253,033
    • Issue date Jun 26, 2001
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sachio Hasushita
    • G02 - OPTICS
  • Information Patent Grant

    Lens having color correction data
    • Patent number 6,184,925
    • Issue date Feb 6, 2001
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Nobuaki Abe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Zooming optical system
    • Patent number 6,169,853
    • Issue date Jan 2, 2001
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sachio Hasushita
    • G02 - OPTICS
  • Information Patent Grant

    Finder optical system
    • Patent number 6,141,504
    • Issue date Oct 31, 2000
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sachio Hasushita
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    View finder device
    • Patent number 6,137,963
    • Issue date Oct 24, 2000
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Tahei Morisawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Real image type finder optical system
    • Patent number 6,125,238
    • Issue date Sep 26, 2000
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sachio Hasushita
    • G02 - OPTICS
  • Information Patent Grant

    Real-time optical finder system
    • Patent number 6,115,182
    • Issue date Sep 5, 2000
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sachio Hasushita
    • G02 - OPTICS
  • Information Patent Grant

    Real image finder optical system having half mirror and information...
    • Patent number 6,091,545
    • Issue date Jul 18, 2000
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sachio Hasushita
    • G02 - OPTICS
  • Information Patent Grant

    Real-image type viewfinder
    • Patent number 6,088,545
    • Issue date Jul 11, 2000
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Tetsuya Abe
    • G02 - OPTICS
  • Information Patent Grant

    Real-image finder optical system
    • Patent number 6,075,645
    • Issue date Jun 13, 2000
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sachio Hasushita
    • G02 - OPTICS
  • Information Patent Grant

    Finder system for camera
    • Patent number 6,035,140
    • Issue date Mar 7, 2000
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sachio Hasushita
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Real-image finder
    • Patent number 6,021,002
    • Issue date Feb 1, 2000
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Takaaki Yano
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens system
    • Patent number 5,969,880
    • Issue date Oct 19, 1999
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sachio Hasushita
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens system
    • Patent number RE36326
    • Issue date Oct 5, 1999
    • Asahi Kogaku Kogyo Kaisha
    • Takayuki Ito
    • 359 - Optical: systems and elements
  • Information Patent Grant

    Camera having real-image finder and control method thereof
    • Patent number 5,926,657
    • Issue date Jul 20, 1999
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sachio Hasushita
    • G02 - OPTICS
  • Information Patent Grant

    Viewfinder of a camera
    • Patent number 5,909,597
    • Issue date Jun 1, 1999
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sachio Hasushita
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Range finder system
    • Patent number 5,907,726
    • Issue date May 25, 1999
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Tetsuya Abe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    High-powered zoom lens system
    • Patent number 5,838,500
    • Issue date Nov 17, 1998
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Takayuki Ito
    • G02 - OPTICS
  • Information Patent Grant

    Prism and real image type view finder
    • Patent number 5,838,504
    • Issue date Nov 17, 1998
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Yuichi Ichikawa
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens having high zoom ratio
    • Patent number 5,793,535
    • Issue date Aug 11, 1998
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Takayuki Ito
    • G02 - OPTICS
  • Information Patent Grant

    Real image type viewfinder
    • Patent number 5,793,529
    • Issue date Aug 11, 1998
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Tetsuya Abe
    • G02 - OPTICS
  • Information Patent Grant

    Real image finder system for a camera
    • Patent number 5,752,107
    • Issue date May 12, 1998
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sachio Hasushita
    • G02 - OPTICS
  • Information Patent Grant

    Real image type viewfinder
    • Patent number 5,726,799
    • Issue date Mar 10, 1998
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Tetsuya Abe
    • G02 - OPTICS
  • Information Patent Grant

    Shiftable lens system
    • Patent number 5,701,205
    • Issue date Dec 23, 1997
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sachio Hasushita
    • G02 - OPTICS
  • Information Patent Grant

    Real-image finder having variable power
    • Patent number 5,694,244
    • Issue date Dec 2, 1997
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Tetsuya Abe
    • G02 - OPTICS
  • Information Patent Grant

    Viewfinder
    • Patent number 5,692,227
    • Issue date Nov 25, 1997
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Hidetaka Yokota
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Reflecting prism and a finder system having a reflecting prism
    • Patent number 5,668,674
    • Issue date Sep 16, 1997
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Moriyasu Kanai
    • G02 - OPTICS