TREA

Chun Li

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  • Weifang, Shandong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Speaker diaphragm and speaker
    • Patent number 11,962,986
    • Issue date Apr 16, 2024
    • GOERTEK INC.
    • Ting Wang
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Speaker diaphragm and speaker
    • Patent number 11,825,285
    • Issue date Nov 21, 2023
    • Goetek Inc.
    • Ting Wang
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Speaker diaphragm and speaker
    • Patent number 11,818,559
    • Issue date Nov 14, 2023
    • GOERTEK INC.
    • Ting Wang
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Speaker diaphragm and speaker
    • Patent number 11,800,287
    • Issue date Oct 24, 2023
    • GOERTEK INC.
    • Ting Wang
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Diaphragm for sound generating device and sound generating device
    • Patent number 11,800,288
    • Issue date Oct 24, 2023
    • GOERTEK INC.
    • Shuqiang Wang
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Speaker
    • Patent number 11,470,425
    • Issue date Oct 11, 2022
    • GoerTek Inc.
    • Ting Wang
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Speaker
    • Patent number 11,457,317
    • Issue date Sep 27, 2022
    • GoerTek Inc.
    • Ting Wang
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Speaker diaphragm and speaker
    • Patent number 11,457,316
    • Issue date Sep 27, 2022
    • GoerTek Inc.
    • Ting Wang
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Speaker diaphragm and speaker
    • Patent number 11,317,211
    • Issue date Apr 26, 2022
    • GOERTEK INC.
    • Ting Wang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents