Patents/Inventors

Wai Kin Cheung

Hong KongCN2 patents

3 Patents

US118040912023
Cloud Door Lock Control System with Identification of Time Varied 2D Codes and Images
0 cites
US117836492023
Cloud Door Lock Control System with Identification of Time Varied 2D Codes
0 cites
US115520312023
High Precision Bonding Apparatus Comprising Heater
ASMPT SINGAPORE PTE. Ltd.
0 cites