ZS

Zhaojin Sun

CC Crrc Qingdao Sifang Co.: 2 patents #1 of 37Top 3%
📍 Shandong, CN: #15 of 173 inventorsTop 9%
Overall (2017): #87,996 of 506,227Top 20%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9809147 Position-limiting device Jianqiang Guo, Xiaojun Deng, Shaoqing Liu, Junshan Lin, Bin Li +1 more 2017-11-07
9758180 Securing system for freight wagon and freight wagon Xiaojun Deng, Shaoqing Liu, Jianqiang Guo, Peng She, Bingsong WANG +1 more 2017-09-12