Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
KY

Kai Yang — 4 Patents in 2021

CCCofco Biotechnology Co.: 4 patents #7 of 25Top 30%
CCCofco (Jilin) Bio-Chemical Technology Co.: 4 patents #7 of 26Top 30%
JCJilin Cofco Biomaterial Co.: 2 patents #7 of 16Top 45%
TUTsinghua University: 1 patents #111 of 480Top 25%
San Diego, CA: #428 of 4,495 inventorsTop 10%
California: #5,616 of 66,859 inventorsTop 9%
Overall (2021): #46,338 of 548,734Top 9%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11155483 Method for efficiently producing PHA Yi Tong, Yi Li, Fang Tian, Weiqiang Zhou, Yuanheng Guo +13 more 2021-10-26
11130973 Recombinant strain for producing L-lactic acid Yi Tong, Yi Li, Yuan Zhang, Bo Chen, Xiaoyan Wang +1 more 2021-09-28
11118006 Method for producing polylactic acid Yi Tong, Yi Li, Bo Chen, Peng Chen, Weiqiang Zhou +4 more 2021-09-14
11110427 Polylactic acid polymerization reaction apparatus and system Yi Tong, Yi Li, Zhigang Liu, Kejia Xu, Guoxing Zhao +1 more 2021-09-07