P

Inventor

CHEN QINGYAN

CN4 patents
⚠️ This page may combine multiple inventors who share the name “CHEN QINGYAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHENZHEN ANGEL DRINKING WATER INDUSTRY GROUP CORP

2 patents

UNISYS CORP

1 patent

PURDUE RESEARCH FOUNDATION

1 patent