Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10490369 | Key structure | Sheng-An Tsai, Hsiang-Wen Cheng | 2019-11-26 |
| 10276328 | Keyboard structure | Hsiang-Wen Cheng, Sheng-An Tsai | 2019-04-30 |
| 10236141 | Key structure | Sheng-An Tsai, Hsiang-Wen Cheng, Jia-Jui Yang, Pai-Ping Hsu | 2019-03-19 |