TREA

Shizhuo Yin

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  • Fremont, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable optical attenuator
    • Patent number 6,631,238
    • Issue date Oct 7, 2003
    • Primanex Corporation
    • Hongdu Liu
    • G02 - OPTICS
  • Information Patent Grant

    Faraday rotator
    • Patent number 6,580,546
    • Issue date Jun 17, 2003
    • Primanex
    • Hongdu Liu
    • G02 - OPTICS
  • Information Patent Grant

    Optical switch
    • Patent number 6,493,139
    • Issue date Dec 10, 2002
    • Hongdu Liu
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Faraday rotator
    • Publication number 20030025980
    • Publication date Feb 6, 2003
    • Hongdu Liu
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL SWITCH
    • Publication number 20020171905
    • Publication date Nov 21, 2002
    • Hongdu Liu
    • G02 - OPTICS
  • Information Patent Application

    Variable optical attenuator
    • Publication number 20020131755
    • Publication date Sep 19, 2002
    • Hongdu Liu
    • G02 - OPTICS