YQ

Yongzhen Qin

CC Crrc Qingdao Sifang Co.: 1 patents #6 of 37Top 20%
📍 Shandong, CN: #38 of 173 inventorsTop 25%
Overall (2017): #185,538 of 506,227Top 40%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9806506 High voltage equipment box for railway vehicle Hongbo Wang, Lin Tao, Xiankai Zhang, Yongming Zhang, Jinghai Jiao +2 more 2017-10-31