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Zhaoyuan Li

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  • Heyuan, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light string system
    • Patent number 8,052,442
    • Issue date Nov 8, 2011
    • Polygroup Macau Limited (BVI)
    • Zhaoyuan Li
    • F21 - LIGHTING
  • Information Patent Grant

    Light string system
    • Patent number 7,980,871
    • Issue date Jul 19, 2011
    • Polygroup Macau Limited (BVI)
    • Zhaoyuan Li
    • F21 - LIGHTING
  • Information Patent Grant

    System for rectifying and limiting current and reducing voltage
    • Patent number 7,696,700
    • Issue date Apr 13, 2010
    • Cindex Holdings Limited
    • Zhaoyuan Li
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    LIGHT STRING SYSTEM
    • Publication number 20110269353
    • Publication date Nov 3, 2011
    • Cindex Holdings Limited ( a Hong Kong corporation)
    • Zhaoyuan Li
    • F21 - LIGHTING
  • Information Patent Application

    LIGHT STRING SYSTEM
    • Publication number 20100099285
    • Publication date Apr 22, 2010
    • Cindex Holdings Limited (a Hong Kong Corporation)
    • Zhaoyuan Li
    • F21 - LIGHTING
  • Information Patent Application

    LED LIGHT STRING SYSTEM
    • Publication number 20090190359
    • Publication date Jul 30, 2009
    • Cindex Holdings Limited (a Hong Kong Corporation)
    • Zhaoyuan LI
    • F21 - LIGHTING
  • Information Patent Application

    SYSTEM FOR RECTIFYING AND LIMITING CURRENT AND REDUCING VOLTAGE
    • Publication number 20080247207
    • Publication date Oct 9, 2008
    • Cindex Holdings Limited (a Hong Kong Corporation)
    • Zhaoyuan Li
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Light string
    • Publication number 20070247868
    • Publication date Oct 25, 2007
    • Cindex Holdings Limited
    • Zhaoyuan Li
    • F21 - LIGHTING