JB

Jingquan Bi

CC Crrc Qingdao Sifang Rolling Stock Research Institute Co.: 1 patents #1 of 25Top 4%
📍 Shandong, CN: #54 of 230 inventorsTop 25%
Overall (2018): #372,876 of 503,207Top 75%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9932053 Hand brake limiting device Chaoheng Wang, Xiangrui Li, Jigang Zhou, Xin Zhang, Chao Lin 2018-04-03