CQ

Chengcang Qiang

BC Beijing Didi Infinity Technology And Development Co.: 1 patents #208 of 412Top 55%
Overall (All Time): #2,726,531 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11003730 Systems and methods for parent-child relationship determination for points of interest Hongguang Pan, Jingwen Wang 2021-05-11