P

Inventor

CHAN DUNCAN KA-YUN

HK4 patents
⚠️ This page may combine multiple inventors who share the name “CHAN DUNCAN KA-YUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

YU CHEUNG HOI

2 patents

HONG KONG DNA CHIPS LTD

1 patent

HAI KANG LIFE CORP LTD

1 patent