P

Inventor

LYU SHUANGYI

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

POLYGROUP LTD MACAO COMMERCIAL OFFSHORE

3 patents

POLYGROUP MACAU LTD BVI

1 patent