TREA

Hang Chen

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  • Zhongshan, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    External lens for mobile terminal
    • Patent number D1016888
    • Issue date Mar 5, 2024
    • GUANGDONG SIRUI OPTICAL CO., LTD.
    • Jie Li
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Tripod
    • Patent number D974453
    • Issue date Jan 3, 2023
    • GUANGDONG SIRUI OPTICAL CO., LTD.
    • Jie Li
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Tripod
    • Patent number D944883
    • Issue date Mar 1, 2022
    • GUANGDONG SIRUI OPTICAL CO., LTD.
    • Jie Li
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Tripod
    • Patent number D930734
    • Issue date Sep 14, 2021
    • GUANGDONG SIRUI OPTICAL CO., LTD.
    • Jie Li
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Tripod
    • Patent number D930063
    • Issue date Sep 7, 2021
    • GUANGDONG SIRUI OPTICAL CO., LTD.
    • Jie Li
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Three axis stabilizer
    • Patent number D929491
    • Issue date Aug 31, 2021
    • GUANGDONG SIRUI OPTICAL CO., LTD.
    • Jie Li
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Tripod
    • Patent number D922471
    • Issue date Jun 15, 2021
    • GUANGDONG SIRUI OPTICAL CO., LTD.
    • Jie Li
    • D16 - Photography and optical equipment