P

Inventor

SHI YAHUA

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

CHINA PETROCHEMICAL CORP

5 patents

CHINA PETROLEUM & CHEMICAL

2 patents

MAO YICHAO

2 patents

NIU CHUANFENG

1 patent

LONG XIANGYUN

1 patent

RES INST OF PETROLEUM PROC

1 patent