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Siu Yin Lam
Kowloon
HK
5 patents
4 Patents
USD1117386
2026
Spectacle Lens
0 cites
US12529910
2026
Spectacle Lens, Design Method for the Same, and Design System for the Same
THE HONG KONG POLYTECHNIC UNIVERSITY
0 cites
US12019312
2024
Spectacle Lens
THE HONG KONG POLYTECHNIC UNIVERSITY
0 cites
US11726348
2023
Spectacle Lens
HOYA LENS THAILAND Ltd.
0 cites