Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12289405 | Graphical watermark, method and apparatus for generating same, and method and apparatus for authenticating same | Wai Keung CHING, Tat Kwong Simon LEUNG | 2025-04-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12289405 | Graphical watermark, method and apparatus for generating same, and method and apparatus for authenticating same | Wai Keung CHING, Tat Kwong Simon LEUNG | 2025-04-29 |