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Qinghong Yu

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  • Salem, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ballast with arc protection circuit
    • Patent number 7,468,586
    • Issue date Dec 23, 2008
    • Osram Sylvania, Inc.
    • Qinghong Yu
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Ballast with Arc Protection Circuit
    • Publication number 20080067950
    • Publication date Mar 20, 2008
    • Osram Sylvania, Inc.
    • Qinghong Yu
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...