Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12014886 | Key structure | Chao-Chin Hsieh | 2024-06-18 |
| 10658134 | Keyboard | — | 2020-05-19 |
| 10441620 | Method for protection of bladder from damage | Robert M. Levin, Chang Lan, Chung-Liang Lan, Chung-Min Lan | 2019-10-15 |
| 10376252 | Methods of repairing abdominal wall defects | — | 2019-08-13 |