TREA

Yaqian Ji

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  • Weifang City, Shandong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sound generator
    • Patent number 11,395,071
    • Issue date Jul 19, 2022
    • GoerTek Inc.
    • Guodong Zhao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound generator
    • Patent number 11,317,218
    • Issue date Apr 26, 2022
    • GOERTEK INC.
    • Guodong Zhao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound generator and electronic product
    • Patent number 11,223,905
    • Issue date Jan 11, 2022
    • GOERTEK INC.
    • Guodong Zhao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound generating device
    • Patent number 11,178,494
    • Issue date Nov 16, 2021
    • GoerTek Inc.
    • Guodong Zhao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    SOUND GENERATOR
    • Publication number 20200413201
    • Publication date Dec 31, 2020
    • GOERTEK INC.
    • Guodong Zhao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND GENERATOR AND ELECTRONIC PRODUCT
    • Publication number 20200404425
    • Publication date Dec 24, 2020
    • Goertek Inc.
    • Guodong Zhao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Sound Generator
    • Publication number 20200382875
    • Publication date Dec 3, 2020
    • GOERTEK INC
    • Guodong Zhao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Sound Generating Device
    • Publication number 20200351592
    • Publication date Nov 5, 2020
    • GOERTEK INC
    • Guodong Zhao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE