YC

Yongjin Chen

CC Changzheng Engineering Co.: 2 patents #8 of 18Top 45%
Overall (All Time): #1,091,107 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D1086256 Astronomical telescope 2025-07-29
9926502 Carbonaceous substance gasification system and method Wei Xin, Honghai Li, Ruiheng Gao, Xiaofei Li, Pin Liu +1 more 2018-03-27
9809771 Carbonaceous substance gasification device and method Congbin Jiang, Wei Xin, Honghai Li, Ruiheng Gao, Xiaofei Li +2 more 2017-11-07
7836655 Bamboo flooring planks with glueless locking system David A. Knight 2010-11-23