TREA

Chaowei MA

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  • Beijing, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    INDOOR NAVIGATION
    • Publication number 20230086694
    • Publication date Mar 23, 2023
    • BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
    • Xiaoqiang TENG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    INDOOR NAVIGATION
    • Publication number 20230077619
    • Publication date Mar 16, 2023
    • BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
    • Xiaoqiang TENG
    • G06 - COMPUTING CALCULATING COUNTING