Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9122886 | Track changes permissions | Chi Ming To, Keng Fai Lee, Pui Ki Chan, Alan Chu, Oi Ying Angela Lee | 2015-09-01 |
| 9076367 | Color management for web server based applications | Alan Chu, On Loy Sung | 2015-07-07 |