Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9901697 | Respiratory mask | Chih-Tsan Chien | 2018-02-27 |
| 9737680 | Humidifier for respiratory apparatus | Chia-Hsiang Hsiao, Chih-Tsan Chien, Ming-Cheng Chang, Hsin-Wei Chen, Wen-Bin Shen +2 more | 2017-08-22 |
| 9439012 | Method and apparatus for audio testing | Shaw-Renn Hwang | 2016-09-06 |