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Qing-Shan Cao

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  • Shenzhen City, CN
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ILLUMINATION DEVICE
    • Publication number 20130003366
    • Publication date Jan 3, 2013
    • HON HAI Precision Industry CO., LTD.
    • QING-SHAN CAO
    • F21 - LIGHTING
  • Information Patent Application

    ILLUMINATION DEVICE
    • Publication number 20130003367
    • Publication date Jan 3, 2013
    • HON HAI Precision Industry CO., LTD.
    • QING-SHAN CAO
    • F21 - LIGHTING
  • Information Patent Application

    LIGHT TUBE HOLDER
    • Publication number 20130003380
    • Publication date Jan 3, 2013
    • HON HAI Precision Industry CO., LTD.
    • QING-SHAN CAO
    • F21 - LIGHTING
  • Information Patent Application

    LAMP TUBE SWITCH CIRCUIT AND METHOD THEREOF
    • Publication number 20130002151
    • Publication date Jan 3, 2013
    • HON HAI Precision Industry CO., LTD.
    • QING-SHAN CAO
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ILLUMINATION DEVICE
    • Publication number 20130002170
    • Publication date Jan 3, 2013
    • HON HAI Precision Industry CO., LTD.
    • QING-SHAN CAO
    • F21 - LIGHTING
  • Information Patent Application

    ILLUMINATION DEVICE
    • Publication number 20130002171
    • Publication date Jan 3, 2013
    • HON HAI Precision Industry CO., LTD.
    • QING-SHAN CAO
    • F21 - LIGHTING
  • Information Patent Application

    ILLUMINATION DEVICE
    • Publication number 20130003364
    • Publication date Jan 3, 2013
    • HON HAI Precision Industry CO., LTD.
    • QING-SHAN CAO
    • F21 - LIGHTING
  • Information Patent Application

    LAMP TUBE SWITCH CIRCUIT
    • Publication number 20130002150
    • Publication date Jan 3, 2013
    • HON HAI Precision Industry CO., LTD.
    • QING-SHAN CAO
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ILLUMINATION DEVICE
    • Publication number 20130003365
    • Publication date Jan 3, 2013
    • HON HAI Precision Industry CO., LTD.
    • QING-SHAN CAO
    • F21 - LIGHTING
  • Information Patent Application

    LAMP TUBE SWITCHING CIRCUIT
    • Publication number 20130002152
    • Publication date Jan 3, 2013
    • HON HAI Precision Industry CO., LTD.
    • QING-SHAN CAO
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    LED ILLUMINATING DEVICE
    • Publication number 20120161628
    • Publication date Jun 28, 2012
    • HON HAI Precision Industry CO., LTD.
    • SHAO-HAN CHANG
    • F21 - LIGHTING
  • Information Patent Application

    LED ILLUMINATING DEVICE
    • Publication number 20120161627
    • Publication date Jun 28, 2012
    • HON HAI Precision Industry CO., LTD.
    • SHAO-HAN CHANG
    • F21 - LIGHTING
  • Information Patent Application

    TWO-COLOR MIXING LED ILLUMINATING DEVICE
    • Publication number 20120075847
    • Publication date Mar 29, 2012
    • HON HAI Precision Industry CO., LTD.
    • SHAO-HAN CHANG
    • G02 - OPTICS
  • Information Patent Application

    ELECTRICAL RECEPTACLE TERMINAL
    • Publication number 20120071036
    • Publication date Mar 22, 2012
    • HON HAI Precision Industry CO., LTD.
    • QING-SHAN CAO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ILLUMINATING SYSTEM,UNIVERSAL LAMP HOLDER AND LED LAMP
    • Publication number 20110188238
    • Publication date Aug 4, 2011
    • HONG FU JIN PRECISION INDUSTRY(SHENZHEN) CO., LTD.
    • QING-SHAN CAO
    • F21 - LIGHTING
  • Information Patent Application

    REFLECTIVE DISPLAY DEVICE TESTING SYSTEM, APPARATUS, AND METHOD
    • Publication number 20070276615
    • Publication date Nov 29, 2007
    • ENSKY TECHNOLOGY (SHENZHEN) CO., LTD.
    • Qing-Shan Cao
    • G02 - OPTICS