JD

Jian Du

CC Crrc Qingdao Sifang Co.: 1 patents #9 of 60Top 15%
Overall (2024): #417,289 of 561,600Top 75%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11964443 Method for connecting a connection piece to a u-shaped ring anchor for a head module for rail vehicles Peng Lin, Dongfang Chen, Zhengmin Zhang, Yonggui Zhang, Chunpeng Cao +2 more 2024-04-23