Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10755873 | Membrane circuit board and keyboard device with same | Chien-Hung Liu, Lei-Lung Tsai, Chin-Sung Pan | 2020-08-25 |
| 10656727 | Keyboard device | Chih-Feng Chien, Yi-Guang Chen, Chin-Sung Pan | 2020-05-19 |