Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7282694 | Optical navigation system having a ring pixel array | Sai Mun Lee, Tony Sen Liew, Shan Chong Tan, Bernard Lye Hock Chan | 2007-10-16 |
| 7279674 | Optical encoder module | Kee Yean Ng, Kok Fo, Yee Loong Chin, Chee-Keong Chong | 2007-10-09 |
| 7078677 | Optical encoder disk having a region that continuously increases in size | Chee-Keong Chong | 2006-07-18 |