P

Inventor

HAN GUODONG

CN7 patents
⚠️ This page may combine multiple inventors who share the name “HAN GUODONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZETA GLOBAL CORP

3 patents

WU WENQING

2 patents

CHINA PETROLEUM & CHEM CORP

2 patents