Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7571015 | Personal audio player | Kai Kin Chan, Yuk Hang Leung, Jack Lau | 2009-08-04 |
| 7548851 | Digital multimedia jukebox | Jack Lau, Chi Ying Tsui, Roger Shu Kwan Cheng, Chi Wai Yung, Jimmy Tai Kwan Tang +3 more | 2009-06-16 |