TREA

Kai Xia

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  • Hangzhou, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    AR display apparatus frame capable of being mounted on safety helmet
    • Patent number 12,287,487
    • Issue date Apr 29, 2025
    • HANGZHOU LINGBAN TECHNOLOGY CO. LTD.
    • Qingyang Shen
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Head mounted display device
    • Patent number D1034596
    • Issue date Jul 9, 2024
    • HANGZHOU LINGBAN TECHNOLOGY CO. LTD.
    • Guoying Li
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Head mounted augmented reality device
    • Patent number D956751
    • Issue date Jul 5, 2022
    • HANGZHOU LINGBAN TECHNOLOGY CO. LTD.
    • Qingyang Shen
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Wearable electronic device
    • Patent number D887407
    • Issue date Jun 16, 2020
    • Yutou Technology (Hangzhou) Co., LTD.
    • Yi Rao
    • D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents