TREA

Gem Optical Co., Ltd.

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Organization

  • Taichung Hsien, TW
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Glasses frame structure
    • Patent number 10,012,845
    • Issue date Jul 3, 2018
    • Gem Optical Co., Ltd.
    • Yen-Hung Huang
    • G02 - OPTICS
  • Information Patent Grant

    Nose bracket structure for glasses
    • Patent number 10,007,127
    • Issue date Jun 26, 2018
    • Gem Optical Co., Ltd.
    • Yen-Hung Huang
    • G02 - OPTICS
  • Information Patent Grant

    Magnifier
    • Patent number D785065
    • Issue date Apr 25, 2017
    • Gem Optical Co., Ltd.
    • Yen-Hung Huang
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Loupe
    • Patent number D753747
    • Issue date Apr 12, 2016
    • Gem Optical Co., Ltd.
    • Yen-Hung Huang
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Magnifying glass with light
    • Patent number D654107
    • Issue date Feb 14, 2012
    • Gem Optical Co., Ltd.
    • Yen-Hung Huang
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Magnifying glass with light for handheld electronic device
    • Patent number 7,548,386
    • Issue date Jun 16, 2009
    • Gem Optical Co., Ltd.
    • Tsung-Hui Huang
    • G02 - OPTICS
  • Information Patent Grant

    Headband with magnifying lens and detachable light
    • Patent number 7,281,826
    • Issue date Oct 16, 2007
    • Gem Optical Co., Ltd.
    • Tsung Hui Huang
    • F21 - LIGHTING
  • Information Patent Grant

    Lens assembly with light mountable on head covering
    • Patent number 7,168,821
    • Issue date Jan 30, 2007
    • Gem Optical Co., Ltd.
    • Tsung Hui Huang
    • G02 - OPTICS
  • Information Patent Grant

    Magnifying device worn around the head
    • Patent number D483779
    • Issue date Dec 16, 2003
    • Gem Optical Co., Ltd.
    • Tsung Hui Huang
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Magnifying device worn around head
    • Patent number 6,525,887
    • Issue date Feb 25, 2003
    • Gem Optical Co., Ltd.
    • Huang Tsung-Hui
    • G02 - OPTICS
  • Information Patent Grant

    Magnifying device
    • Patent number D458287
    • Issue date Jun 4, 2002
    • Gem Optical Co., Ltd.
    • Tsung-Hui Huang
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Head belt of head magnifying glass
    • Patent number 6,215,601
    • Issue date Apr 10, 2001
    • Gem Optical Co., Ltd.
    • Tsung-Hui Huang
    • G02 - OPTICS
  • Information Patent Grant

    Head magnifying glass
    • Patent number 6,116,729
    • Issue date Sep 12, 2000
    • GEM Optical Co., Ltd.
    • Tsung-Hui Huang
    • G02 - OPTICS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks