P

Inventor

REN HONGPING

CN5 patents
⚠️ This page may combine multiple inventors who share the name “REN HONGPING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LI CHUANFENG

2 patents

CHINA PETROLEUM & CHEMICAL

1 patent

REN HONGPING

1 patent

YAO XIAOLI

1 patent