P

Inventor

YI JING

US4 patents
⚠️ This page may combine multiple inventors who share the name “YI JING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV TONGJI

2 patents

DUPONT JAKOB

1 patent

HUNAN SANYOU ENVIRONMENTAL PROTECTION TECH CO LTD

1 patent