TREA

Yongji Long

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Line laser module and autonomous mobile device
    • Patent number 11,966,233
    • Issue date Apr 23, 2024
    • BEIJING ROBOROCK TECHNOLOGY CO., LTD.
    • Guang Yu
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Line laser module and autonomous mobile device
    • Patent number 11,940,806
    • Issue date Mar 26, 2024
    • BEIJING ROBOROCK TECHNOLOGY CO., LTD.
    • Guang Yu
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Cleaning robot
    • Patent number D938116
    • Issue date Dec 7, 2021
    • BEIJING ROBOROCK TECHNOLOGY CO., LTD.
    • Guang Yu
    • D32 - Washing, cleaning, or drying machine

Patents Applicationslast 30 patents