TREA

U.S.A Kaifa Technology, Inc.

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Organization

  • Sunnyvale, CA, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Optical circulator
    • Patent number 6,331,912
    • Issue date Dec 18, 2001
    • U.S.A Kaifa Technology, Inc.
    • Vincent Au-Yeung
    • G02 - OPTICS
  • Information Patent Grant

    Short length fused fiber optical couplers and method of making same
    • Patent number 6,134,362
    • Issue date Oct 17, 2000
    • U.S.A Kaifa Technology, Inc.
    • Vincent Au-Yeung
    • G02 - OPTICS
  • Information Patent Grant

    Optical circulator
    • Patent number 5,930,039
    • Issue date Jul 27, 1999
    • U.S.A Kaifa Technology, Inc.
    • Wei-Zhong Li
    • G02 - OPTICS
  • Information Patent Grant

    Optical circulator
    • Patent number 5,909,310
    • Issue date Jun 1, 1999
    • U.S.A Kaifa Technology, Inc.
    • Wei-Zhong Li
    • G02 - OPTICS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    75784379
    • Serial number 75784379
    • Registration number 2375147
    • Filing date Aug 26, 1999
    • Kaifa Technology USA, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments