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Qingsong CHU

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  • Shenzhen City, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plant lamp
    • Patent number D975333
    • Issue date Jan 10, 2023
    • Shenzhen Longood Intelligent Electric Co., Ltd.
    • Zhigao Chen
    • D26 - Lighting
  • Information Patent Grant

    Lampholder for discharge lamp
    • Patent number D860513
    • Issue date Sep 17, 2019
    • Shenzhen Longood Intelligent Electric Co., Ltd
    • Xiong Yang
    • D26 - Lighting
  • Information Patent Grant

    LED power supply
    • Patent number 10,378,743
    • Issue date Aug 13, 2019
    • Shenzhen Longood Intelligent Electric Co., Ltd
    • Xiong Yang
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    LED driving structure
    • Patent number 9,803,842
    • Issue date Oct 31, 2017
    • Shenzhen Longood Intelligent Electric Co., Ltd
    • Xiong Yang
    • F21 - LIGHTING
  • Information Patent Grant

    Heat dissipation device for electronic ballast
    • Patent number 9,258,924
    • Issue date Feb 9, 2016
    • Shenzhen Longood Intelligent Electric Co., Ltd
    • Wei Wu
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Electronic ballast
    • Patent number D716730
    • Issue date Nov 4, 2014
    • Shenzhen Longood Intelligent Electric Co., Ltd
    • Xianwu Liu
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Electronic ballast
    • Patent number D709448
    • Issue date Jul 22, 2014
    • Shenzhen Longood Intelligent Electric Co., Ltd
    • Yujie Zhang
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Remote control
    • Patent number D708590
    • Issue date Jul 8, 2014
    • Shenzhen Longood Intelligent Electric Co., Ltd
    • Yujie Zhang
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Ballast
    • Patent number D700141
    • Issue date Feb 25, 2014
    • Shenzhen Longood Intelligent Electric Co., Ltd
    • Yujie Zhang
    • D13 - Equipment for production, distribution, or transformation of energy

Patents Applicationslast 30 patents

  • Information Patent Application

    LED POWER SUPPLY
    • Publication number 20180328577
    • Publication date Nov 15, 2018
    • SHENZHEN LONGOOD INTELLIGENT ELECTRIC CO., LTD
    • Xiong YANG
    • F21 - LIGHTING
  • Information Patent Application

    LED DRIVING STRUCTURE
    • Publication number 20170114991
    • Publication date Apr 27, 2017
    • Shenzhen Longood Intelligent Electric Co., Ltd
    • Xiong YANG
    • F21 - LIGHTING
  • Information Patent Application

    Heat dissipation device for electronic ballast
    • Publication number 20150049436
    • Publication date Feb 19, 2015
    • Shenzhen Longood Intelligent Electric Co., Ltd
    • Wei Wu
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR