Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11175752 | Roller mouse operable in two clicking modes | Chun-Lin Chu, Hsiang-Yu Ou, Li-Kuei Cheng | 2021-11-16 |
| 11099667 | Roller module for a mouse device having a movable magnet | Li-Kuei Cheng, Sheng-An Tsai, Yung-Ming Tsai, Chun-Che Wu | 2021-08-24 |
| 10928933 | Mouse device | Chun-Lin Chu | 2021-02-23 |