P

Inventor

SONG ZHIHAI

CN19 patents
⚠️ This page may combine multiple inventors who share the name “SONG ZHIHAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHINA PETROLEUM & CHEM CORP

10 patents

CHINA PETROLEUM & CHEMICAL

3 patents

QIAO JINLIANG

2 patents

BEIJING RES INST CHEM IND

1 patent

LIU YIQUN

1 patent

ZHANG XIAOHONG

1 patent

HUANG FAN

1 patent