RL

Rujun Liang

CC Crrc Nanjing Puzhen Co.: 2 patents #7 of 60Top 15%
CC China Petroleum & Chemical: 1 patents #836 of 1,719Top 50%
Overall (All Time): #1,405,341 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11845414 Emergency braking extension device for urban rail vehicle Chaofeng DING, Fengli Zhang, Chunmeng Wang, Xiaofang Shi, Aiping Zhang +2 more 2023-12-19
11155286 Passenger communication output control circuit for unmanned metro train Guofei Liu, Qi Gao, Meng Shi, Xianing Pan, Yaozheng Zeng 2021-10-26
9592491 Alumina carrier, method of preparing the same, and silver catalyst Xianfeng Li, Jinbing Li, Xinxin Sun, Jianshe Chen, Shuyuan Cao +4 more 2017-03-14