P

Inventor

JIANG CHANGSONG

CN4 patents
⚠️ This page may combine multiple inventors who share the name “JIANG CHANGSONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JINGCAI ONLINE TECH DALIAN CO LTD

2 patents

GUILIN GEMRED SENSOR TECHNOLOG

1 patent

LI GUANGJIN

1 patent