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Guofei Diao

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wireless headset
    • Patent number 12,212,943
    • Issue date Jan 28, 2025
    • Huawei Technologies Co., Ltd.
    • Fang-Ching Lee
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Wireless headset and headset box
    • Patent number 12,041,406
    • Issue date Jul 16, 2024
    • Huawei Technologies Co., Ltd.
    • Qingqiu Liu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    WIRELESS HEADSET
    • Publication number 20250193604
    • Publication date Jun 12, 2025
    • Huawei Technologies Co., Ltd
    • Fang-Ching LEE
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    WIRELESS HEADSET
    • Publication number 20220295187
    • Publication date Sep 15, 2022
    • HUAWEI TECHNOLOGIES CO., LTD.
    • Fang-Ching LEE
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Wireless Headset and Headset Box
    • Publication number 20220210535
    • Publication date Jun 30, 2022
    • Huawei Technologies Co., Ltd
    • Qingqiu Liu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER