Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12362110 | Keycap | Sheng-Fan Chang, Chang-Huan Shen, Chuang-Shu Jhuang | 2025-07-15 |
| 12266484 | Force-sensitive key module and force-sensitive switch structure thereof | Yi-Liang Chen, Lei-Lung Tsai | 2025-04-01 |
| 12211657 | Keycap | Lei-Lung Tsai, Sheng-Fan Chang, Chang-Huan Shen | 2025-01-28 |
| 11887792 | Keyboard device and key structure thereof | Lei-Lung Tsai | 2024-01-30 |
| 11624867 | Keycap, method of manufacturing the same and key structure | Lei-Lung Tsai | 2023-04-11 |
| 10960587 | Keycap forming method | Yi-Te Chou | 2021-03-30 |
| 10832877 | Keycap forming method | Sheng-Fan Chang | 2020-11-10 |
| 10699858 | Keyboard device | Sheng-Fan Chang, Ding-Hsiang Pan, Chia Feng Lee | 2020-06-30 |