WC

Wai Keung CHING

📍 Singapore, SG: #4,165 of 13,971 inventorsTop 30%
Overall (All Time): #1,710,172 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12289405 Graphical watermark, method and apparatus for generating same, and method and apparatus for authenticating same Chin Phek Ong, Tat Kwong Simon LEUNG 2025-04-29
11288475 Two-dimensional barcode generating method, verification method, server and two-dimensional barcode Chin Phek Ong, Tai Kwong Simon Leung 2022-03-29