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Jifeng Wu

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  • GuangDong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Earphone
    • Patent number D1027915
    • Issue date May 21, 2024
    • SHENZHEN COGITATION TECHNOLOGY CO., LTD
    • Jifeng Wu
    • D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents

  • Information Patent Application

    EARPHONE
    • Publication number 20250142245
    • Publication date May 1, 2025
    • SHENZHEN COGITATION TECHNOLOGY CO., LTD
    • Jifeng WU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    HEAD-MOUNTABLE FRAME, HEAD-MOUNTABLE BLUETOOTH HEADPHONE, AND HELMET
    • Publication number 20240305921
    • Publication date Sep 12, 2024
    • GUANGDONG XIN QIAN CHAO INFORMATION TECHNOLOGY CO., LTD.
    • Jifeng WU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE