JJ

Jinghai Jiao

CC Crrc Qingdao Sifang Co.: 1 patents #13 of 60Top 25%
📍 Shandong, CN: #90 of 381 inventorsTop 25%
Overall (2021): #405,720 of 548,734Top 75%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11125006 Method, system and device for controlling door of railway vehicle Bo-Ruei Chen, Qing Tian, Huiqing Zhang, Qingjun Han, Fangdong Hou +2 more 2021-09-21