CQ

Chengwei Qin

CC Crrc Tangshan Co.: 2 patents #8 of 151Top 6%
📍 Tangshan City, CN: #14 of 143 inventorsTop 10%
Overall (All Time): #1,894,778 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11208123 Frame of bogie Lixin Zhang, Dehua Li, Shun Cao, Jingwei Chen 2021-12-28
10167002 Meter gauge power bogie and meter gauge vehicle Yanhong Chen, Dongjie Jiang, Junfeng Wang, Mingquan Bao 2019-01-01