P

Inventor

LIU YANFENG

US20 patents
⚠️ This page may combine multiple inventors who share the name “LIU YANFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LIU YANFENG

4 patents

TVISION INSIGHTS INC

4 patents

UNIV JIANGNAN

3 patents

UNIV SHENYANG PHARMACEUTICAL

2 patents

PETROCHINA CO LTD

2 patents

GUANGDONG SANWOOD TECH CO LTD

1 patent

AVIC COMPOSITE CORP LTD

1 patent

XIAMEN YUNMAO TECH CO LTD

1 patent

LIU LONG

1 patent

ZHANG JIANHAI

1 patent