TREA

Wu Haiquan

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  • Shenzhen, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Portable charger
    • Patent number D909965
    • Issue date Feb 9, 2021
    • Shenzhen Grandsun Electronic Co., Ltd.
    • Zhou Shiyong
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Audio input/output device
    • Patent number D893457
    • Issue date Aug 18, 2020
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Shao Wei
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Earphone
    • Patent number D875709
    • Issue date Feb 18, 2020
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Xin Yuanfa
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Pair of earphones
    • Patent number D873248
    • Issue date Jan 21, 2020
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Zhong Weicheng
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Headphone
    • Patent number D871367
    • Issue date Dec 31, 2019
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Zhang Zhijun
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Sport earphone
    • Patent number D869434
    • Issue date Dec 10, 2019
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Sheng Biao
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Sport earphone
    • Patent number D869435
    • Issue date Dec 10, 2019
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • He Sanhua
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Headphone
    • Patent number D869436
    • Issue date Dec 10, 2019
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Mei Fubing
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Virtual reality headset
    • Patent number D859406
    • Issue date Sep 10, 2019
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Shao Wei
    • D14 - Recording, communication, or information retrieval equipment