DL

Derek Chi Hang Louie

HC Hong Kong Productivity Council: 1 patents #9 of 41Top 25%
WL World Hint Limited: 1 patents #3 of 7Top 45%
Overall (All Time): #2,184,920 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6966685 Distributed light illumination system Ying LI, Ashley Min Hang Pun, Chi Choy Wong, Sin Wing Chan, Li Li 2005-11-22
6483499 3D sculpturing input device Li Li, Chi-Hong Chan 2002-11-19