Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11011330 | Keyboard device | Lei-Lung Tsai | 2021-05-18 |
| 10509482 | Keyboard device | Lei-Lung Tsai | 2019-12-17 |
| 10403452 | Keyboard device | Lei-Lung Tsai | 2019-09-03 |
| 10020139 | Key structure | Lei-Lung Tsai | 2018-07-10 |
| 9972464 | Key structure | Lei-Lung Tsai | 2018-05-15 |
| 9633800 | Key structure | Lei-Lung Tsai | 2017-04-25 |