Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9899003 | Display system | Ka Leung Sin | 2018-02-20 |
| 9813657 | Method and system for controlling a display system | Ka Leung Sin | 2017-11-07 |
| 9763058 | Method and system of personalized broadcast service on public transportation | — | 2017-09-12 |
| 9622026 | Method, system and device of location authentication | Wing-Fung Yu | 2017-04-11 |