TREA

Sadao Okudaira

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  • Ranzan, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Subminiature imaging optical system
    • Patent number 7,755,851
    • Issue date Jul 13, 2010
    • Samsung Electro-Mechanics Co., Ltd.
    • Cheon Ho Park
    • G02 - OPTICS
  • Information Patent Grant

    Bright wide-angle zoom lens
    • Patent number 4,730,906
    • Issue date Mar 15, 1988
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sadao Okudaira
    • G02 - OPTICS
  • Information Patent Grant

    Photographic lens with large aperture ratio
    • Patent number 4,702,568
    • Issue date Oct 27, 1987
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sadao Okudaira
    • G02 - OPTICS
  • Information Patent Grant

    Optical system for TTL automatic focusing video camera
    • Patent number 4,652,931
    • Issue date Mar 24, 1987
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sadao Okudaira
    • G02 - OPTICS
  • Information Patent Grant

    Adapter for connecting single-lens reflex camera lens to video camera
    • Patent number 4,589,750
    • Issue date May 20, 1986
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Yasumasa Tomori
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Ultracompact telephoto lens
    • Patent number 4,556,295
    • Issue date Dec 3, 1985
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sadao Okudaira
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens
    • Patent number 4,523,814
    • Issue date Jun 18, 1985
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sadao Okudaira
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens system
    • Patent number 4,491,395
    • Issue date Jan 1, 1985
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sadao Okudaira
    • G02 - OPTICS
  • Information Patent Grant

    High-speed zoom lens
    • Patent number 4,490,017
    • Issue date Dec 25, 1984
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sadao Okudaira
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens focusing system
    • Patent number 4,460,251
    • Issue date Jul 17, 1984
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sadao Okudaira
    • G02 - OPTICS
  • Information Patent Grant

    Rear stop diaphragm zoom lens
    • Patent number 4,412,725
    • Issue date Nov 1, 1983
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Satoru Tachihara
    • G02 - OPTICS
  • Information Patent Grant

    Compact wide-angle zoom lens
    • Patent number 4,406,523
    • Issue date Sep 27, 1983
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sigetada Sato
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens
    • Patent number 4,359,270
    • Issue date Nov 16, 1982
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sadao Okudaira
    • G02 - OPTICS
  • Information Patent Grant

    Compact zoom lens
    • Patent number 4,330,181
    • Issue date May 18, 1982
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sadao Okudaira
    • G02 - OPTICS
  • Information Patent Grant

    Telephoto lens with small telephoto ratio
    • Patent number 4,293,197
    • Issue date Oct 6, 1981
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Koichi Kobayashi
    • G02 - OPTICS
  • Information Patent Grant

    Compact standard zoom lens
    • Patent number 4,251,132
    • Issue date Feb 17, 1981
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sadao Okudaira
    • G02 - OPTICS
  • Information Patent Grant

    Compact wide angle zoom lens
    • Patent number 4,241,981
    • Issue date Dec 30, 1980
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Sadao Okudaira
    • G02 - OPTICS
  • Information Patent Grant

    Wide angle zoom lens having a high variation ratio
    • Patent number 4,240,700
    • Issue date Dec 23, 1980
    • Asahi Kogaku Kabushiki Kaisha
    • Ryota Ogawa
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lenses
    • Patent number 4,185,893
    • Issue date Jan 29, 1980
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Ryota Ogawa
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Subminiature imaging optical system
    • Publication number 20080225408
    • Publication date Sep 18, 2008
    • Samsung Electro-Mechanics Co., Ltd.
    • Cheon Ho Park
    • G02 - OPTICS