YC

Yongjin Chen

CC Changzheng Engineering Co.: 1 patents #3 of 11Top 30%
Overall (2017): #188,354 of 506,227Top 40%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9809771 Carbonaceous substance gasification device and method Congbin Jiang, Wei Xin, Honghai Li, Ruiheng Gao, Xiaofei Li +2 more 2017-11-07