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Yasuyuki Tomita

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  • Tochigi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lens apparatus
    • Patent number 7,852,732
    • Issue date Dec 14, 2010
    • Canon Kabushiki Kaisha
    • Isamu Izuhara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Camera system and lens apparatus
    • Patent number 7,755,695
    • Issue date Jul 13, 2010
    • Canon Kabushiki Kaisha
    • Satoshi Natsume
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Image-taking lens system and image-taking system
    • Patent number 7,423,687
    • Issue date Sep 9, 2008
    • Canon Kabushiki Kaisha
    • Shinichiro Yakita
    • G02 - OPTICS
  • Information Patent Grant

    Drive controller of lens apparatus
    • Patent number 7,330,212
    • Issue date Feb 12, 2008
    • Canon Kabushiki Kaisha
    • Yasuyuki Tomita
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Zoom lens control apparatus, zoom lens system, and image-taking system
    • Patent number 7,099,089
    • Issue date Aug 29, 2006
    • Canon Kabushiki Kaisha
    • Shin-ichiro Yakita
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical element and optical system
    • Patent number 6,967,796
    • Issue date Nov 22, 2005
    • Canon Kabushiki Kaisha
    • Seiji Takeuchi
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens and photographing system
    • Patent number 6,965,481
    • Issue date Nov 15, 2005
    • Canon Kabushiki Kaisha
    • Yasuyuki Tomita
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens and photographing apparatus
    • Patent number 6,512,637
    • Issue date Jan 28, 2003
    • Canon Kabushiki Kaisha
    • Yasuyuki Tomita
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens
    • Patent number 6,282,032
    • Issue date Aug 28, 2001
    • Canon Kabushiki Kaisha
    • Yasuyuki Tomita
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens
    • Patent number 6,002,528
    • Issue date Dec 14, 1999
    • Canon Kabushiki Kaisha
    • Yasuyuki Tomita
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens
    • Patent number 5,790,316
    • Issue date Aug 4, 1998
    • Canon Kabushiki Kaisha
    • Chiaki Terasawa
    • G02 - OPTICS

Patents Applicationslast 30 patents