JJ

Jinghai Jiao

CC Crrc Qingdao Sifang Co.: 2 patents #1 of 37Top 3%
📍 Shandong, CN: #15 of 173 inventorsTop 9%
Overall (2017): #141,046 of 506,227Top 30%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9806506 High voltage equipment box for railway vehicle Hongbo Wang, Yongzhen Qin, Lin Tao, Xiankai Zhang, Yongming Zhang +2 more 2017-10-31
9682714 Switching circuit for implementing coupling at random end of train Qiang Xu, Huiqing Zhang 2017-06-20