Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11099667 | Roller module for a mouse device having a movable magnet | Li-Kuei Cheng, Sheng-An Tsai, Shu-An Huang, Chun-Che Wu | 2021-08-24 |
| 11061493 | Mouse roller module | Li-Kuei Cheng, Chun-Che Wu | 2021-07-13 |