TREA

Zhonghui Tang

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  • Guangdong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pair of earbuds
    • Patent number D941275
    • Issue date Jan 18, 2022
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Lu Liu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Wireless headset
    • Patent number D936035
    • Issue date Nov 16, 2021
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Zhonghui Tang
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    TWS earphones box
    • Patent number D931861
    • Issue date Sep 28, 2021
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Weicheng Zhong
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Pair of true wireless stereo earphones
    • Patent number D929372
    • Issue date Aug 31, 2021
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Weicheng Zhong
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Charging case for pair of earbuds
    • Patent number D929322
    • Issue date Aug 31, 2021
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Lu Liu
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Wireless earphone charging box
    • Patent number D906238
    • Issue date Dec 29, 2020
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Zhijun Zhang
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Headphone
    • Patent number D900057
    • Issue date Oct 27, 2020
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Xiangke Shan
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Noise canceling wireless earphone
    • Patent number D896205
    • Issue date Sep 15, 2020
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Zhijun Zhang
    • D14 - Recording, communication, or information retrieval equipment