P

Inventor

LI MINGGANG

CN12 patents
⚠️ This page may combine multiple inventors who share the name “LI MINGGANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHINA PETROLEUM & CHEM CORP

5 patents

CRRC QINGDAO SIFANG ROLLING STOCK RES INST CO LTD

2 patents

CHINA PETROLEUM & CHEMICAL

2 patents

LI ZHENG

1 patent

LIU FENGGANG

1 patent

LONG JUN

1 patent