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TATSUO CHIGIRA

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  • YOKOHAMA-SHI, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Color separating optical system, image display optical system, and...
    • Patent number 7,156,520
    • Issue date Jan 2, 2007
    • Canon Kabushiki Kaisha
    • Tatsuo Chigira
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Projection display apparatus with quarter phase difference plate an...
    • Patent number 7,002,641
    • Issue date Feb 21, 2006
    • Canon Kabushiki Kaisha
    • Atsushi Okuyama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Color combining optical system, projection-type display optical sys...
    • Patent number 6,992,833
    • Issue date Jan 31, 2006
    • Canon Kabushiki Kaisha
    • Tatsuo Chigira
    • G02 - OPTICS
  • Information Patent Grant

    Mobile-type electronic apparatus and method for controlling the same
    • Patent number 6,970,723
    • Issue date Nov 29, 2005
    • Canon Kabushiki Kaisha
    • Tatsuo Chigira
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Head-mounted displayed apparatus
    • Patent number 6,914,583
    • Issue date Jul 5, 2005
    • Canon Kabushiki Kaisha
    • Tatsuo Chigira
    • G02 - OPTICS
  • Information Patent Grant

    Image display apparatus
    • Patent number 6,515,638
    • Issue date Feb 4, 2003
    • Canon Kabushiki Kaisha
    • Tatsuo Chigira
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Image display apparatus
    • Patent number 6,490,095
    • Issue date Dec 3, 2002
    • Canon Kabushiki Kaisha
    • Atsushi Okuyama
    • G02 - OPTICS
  • Information Patent Grant

    Head mount display
    • Patent number 6,388,640
    • Issue date May 14, 2002
    • Canon Kabushiki Kaisha
    • Tatsuo Chigira
    • G02 - OPTICS
  • Information Patent Grant

    Sensor
    • Patent number 6,338,199
    • Issue date Jan 15, 2002
    • Canon Kabushiki Kaisha
    • Tatsuo Chigira
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Vibration device
    • Patent number 6,218,767
    • Issue date Apr 17, 2001
    • Canon Kabushiki Kaisha
    • Hiroshi Akada
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Video camera apparatus
    • Patent number 6,169,578
    • Issue date Jan 2, 2001
    • Canon Kabushiki Kaisha
    • Tatsuo Chigira
    • G02 - OPTICS
  • Information Patent Grant

    Driving apparatus and optical apparatus
    • Patent number 5,932,984
    • Issue date Aug 3, 1999
    • Canon Kabushiki Kaisha
    • Junichi Murakami
    • G02 - OPTICS
  • Information Patent Grant

    Driving device and optical apparatus
    • Patent number 5,900,995
    • Issue date May 4, 1999
    • Canon Kabushiki Kaisha
    • Hiroshi Akada
    • G02 - OPTICS
  • Information Patent Grant

    Image blur prevention apparatus utilizing a stepping motor
    • Patent number 5,831,671
    • Issue date Nov 3, 1998
    • Canon Kabushiki Kaisha
    • Tatsuo Chigira
    • G02 - OPTICS
  • Information Patent Grant

    Stepping motor
    • Patent number 5,705,864
    • Issue date Jan 6, 1998
    • Canon Kabushiki Kaisha
    • Hironori Takano
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Amount-of-light adjusting device
    • Patent number 5,689,746
    • Issue date Nov 18, 1997
    • Canon Kabushiki Kaisha
    • Hiroshi Akada
    • G02 - OPTICS
  • Information Patent Grant

    Aperture size adjustment device for a camera with a stepping motor...
    • Patent number 5,418,588
    • Issue date May 23, 1995
    • Canon Kabushiki Kaisha
    • Tatsuo Chigira
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image pickup apparatus
    • Patent number 5,298,933
    • Issue date Mar 29, 1994
    • Canon Kabushiki Kaisha
    • Tatsuo Chigira
    • G02 - OPTICS
  • Information Patent Grant

    Lens barrel
    • Patent number 5,264,966
    • Issue date Nov 23, 1993
    • Canon Kabushiki Kaisha
    • Tadanori Okada
    • G02 - OPTICS
  • Information Patent Grant

    Optical apparatus
    • Patent number 5,206,677
    • Issue date Apr 27, 1993
    • Canon Kabushiki Kaisha
    • Ichiro Onuki
    • G02 - OPTICS
  • Information Patent Grant

    Optical apparatus
    • Patent number 5,150,260
    • Issue date Sep 22, 1992
    • Canon Kabushiki Kaisha
    • Tatsuo Chigira
    • G02 - OPTICS
  • 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

    Brushless motor
    • Patent number 4,958,099
    • Issue date Sep 18, 1990
    • Canon Kabushiki Kaisha
    • Tatsuo Chigira
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • 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

    Motor
    • Patent number 4,806,813
    • Issue date Feb 21, 1989
    • Canon Kabushiki Kaisha
    • Akiyasu Sumi
    • G02 - OPTICS

Patents Applicationslast 30 patents