P

Inventor

YU CHEUNG HOI

HK8 patents
⚠️ This page may combine multiple inventors who share the name “YU CHEUNG HOI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HAI KANG LIFE CORP LTD

3 patents

HAI KANG LIFE CORPORATION LTD

2 patents

YU CHEUNG HOI

2 patents

HONG KONG DNA CHIPS LTD

1 patent