Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10488457 | Circuit test system and method | Cheng-Yi Tsai | 2019-11-26 |
| 10429951 | Mouse device with adjustable moving resolution | Shi-Jie Zhang, Chih-Feng Chien, A-Ming Chang | 2019-10-01 |
| 10310629 | Joystick-type mouse | Cheng-Yi Tsai, A-Ming Chang | 2019-06-04 |
| 10310635 | Mouse device | Shi-Jie Zhang, Chih-Feng Chien, A-Ming Chang | 2019-06-04 |
| 10209784 | Combination type mouse | Cheng-Yi Tsai | 2019-02-19 |