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Jianfei Liu

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  • Dongguan, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Headphone charging case
    • Patent number D942942
    • Issue date Feb 8, 2022
    • Sharetronic Data Technology (Hong Kong) Limited
    • Sihua Geng
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Headphone charging case
    • Patent number D933595
    • Issue date Oct 19, 2021
    • Sharetronic Data Technology (Hong Kong) Limited
    • Sihua Geng
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Headphone charging case
    • Patent number 10,951,971
    • Issue date Mar 16, 2021
    • Sharetronic Data Technology (Hong Kong) Limited
    • Sihua Geng
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Headphone charging case
    • Patent number 10,893,351
    • Issue date Jan 12, 2021
    • Sharetronic Data Technology (Hong Kong) Limited
    • Sihua Geng
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Headphone Charging Case
    • Publication number 20210160607
    • Publication date May 27, 2021
    • Sharetronic Data Technology (Hong Kong) Limited
    • Jianfei Liu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Headphone Charging Case
    • Publication number 20210006888
    • Publication date Jan 7, 2021
    • Sharetronic Data Technology (Hong Kong) Limited
    • Sihua Geng
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Headphone Charging Case
    • Publication number 20210006889
    • Publication date Jan 7, 2021
    • Sharetronic Data Technology (Hong Kong) Limited
    • Sihua Geng
    • H01 - BASIC ELECTRIC ELEMENTS