P

Inventor

XU QINGGUO

US7 patents
⚠️ This page may combine multiple inventors who share the name “XU QINGGUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV JOHNS HOPKINS

4 patents

UNIV OKLAHOMA

1 patent

CONOPCO INC

1 patent

FAN NING

1 patent