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Qingfeng Yuan

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  • Dongguan City, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Insulating tape and li-ion battery adopting the same
    • Patent number 11,133,560
    • Issue date Sep 28, 2021
    • Dongguan Amperex Technology Limited
    • Benzhen Li
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Wound cell
    • Patent number 10,490,857
    • Issue date Nov 26, 2019
    • DONGGUAN AMPEREX TECHNOLOGY LIMITED
    • Kefei Wang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrode tab structure and battery
    • Patent number 10,388,935
    • Issue date Aug 20, 2019
    • Dongguan Amperex Technology Limited
    • Kefei Wang
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRODE TAB STRUCUTURE AND BATTERY
    • Publication number 20180083254
    • Publication date Mar 22, 2018
    • Dongguan Amperex Technology Limited
    • Kefei WANG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    WOUND CELL
    • Publication number 20180034109
    • Publication date Feb 1, 2018
    • Dongguan Amperex Technology Limited
    • Kefei WANG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    INSULATING TAPE AND LI-ION BATTERY ADOPTING THE SAME
    • Publication number 20170222204
    • Publication date Aug 3, 2017
    • Dongguan Amperex Technology Limited
    • Benzhen Li
    • H01 - BASIC ELECTRIC ELEMENTS