TREA

two - components being compound

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Industry

  • CPC
  • G02B9/42
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Parent Industries

GPHYSICS G02Optics G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS G02B9/00Optical objectives characterised both by the number of the components and their arrangements according to their sign

Current Industry

G02B9/42two - components being compound
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Fixed focal imaging lens
    • Patent number 11,650,395
    • Issue date May 16, 2023
    • RAYS OPTICS INC.
    • Chen-Cheng Lee
    • G02 - OPTICS
  • Information Patent Grant

    Focusing-in-part lens system
    • Patent number 4,784,480
    • Issue date Nov 15, 1988
    • Canon Kabushiki Kaisha
    • Hideo Yokota
    • G02 - OPTICS
  • Information Patent Grant

    Gauss type photographic lens
    • Patent number 4,426,137
    • Issue date Jan 17, 1984
    • Nippon Kogaku K.K.
    • Ikuo Mori
    • G02 - OPTICS
  • Information Patent Grant

    Macro lens system
    • Patent number 4,377,326
    • Issue date Mar 22, 1983
    • Olympus Optical Co., Ltd.
    • Yuko Kobayashi
    • G02 - OPTICS
  • Information Patent Grant

    Standard photographic lens
    • Patent number 4,232,944
    • Issue date Nov 11, 1980
    • Olympus Optical Co., Ltd.
    • Toshihiro Imai
    • G02 - OPTICS
  • Information Patent Grant

    Four-member gauss objective
    • Patent number 4,123,144
    • Issue date Oct 31, 1978
    • Ernst Leitz Wetzlar GmbH
    • Walter Mandler
    • G02 - OPTICS
  • Information Patent Grant

    Adjustable focal length optical design
    • Patent number 4,057,329
    • Issue date Nov 8, 1977
    • Bell & Howell Company
    • Andor A. Fleischman
    • G02 - OPTICS

Patents Applicationslast 30 patents