Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10658135 | Keyboard key structure that generates an operation sound | Sheng-An Tsai, Hsiang-Wen Cheng | 2020-05-19 |
| 10658137 | Key structure | Sheng-An Tsai, Hsiang-Wen Cheng | 2020-05-19 |