LZ

Lijun Zeng

BC Beijing Zhongxiangying Technology Co.: 1 patents #19 of 44Top 45%
BO BOE: 1 patents #7,844 of 12,373Top 65%
Overall (All Time): #2,582,346 of 4,157,543Top 65%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11645272 Method, system, device and medium for querying product history Chuan Wang, Jianfeng Zeng, Haijin WANG, Jianmin Wu, Nan Liu +3 more 2023-05-09