Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11442346 | Illumination device, projection system and operation methods thereof | Yi Chang, Chan-Chih Lin | 2022-09-13 |
| 11422447 | Illumination system, projection device and color wheel calibrating method | Chan-Chih Lin, Yi Chang | 2022-08-23 |
| 9687208 | Method and system for recognizing physiological sound | Kun-Hsi Tsai, Shih-Hsuan Ku, Tzu-Chen Liang, Yun-Fan Chang, Shih-I Yang | 2017-06-27 |