QH

Qingzeng Hu

BL Byd Company Limited: 1 patents #476 of 1,165Top 45%
📍 Lo Wu, CN: #4,358 of 7,906 inventorsTop 60%
Overall (All Time): #2,589,693 of 4,157,543Top 65%
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11679791 Dead axle of rail vehicle, rail vehicle, and rail transportation system Xiaojin Yao, Xiaofang Xiong, Jia Wei, Huiyue Liu 2023-06-20