Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11913876 | Optical water-quality detection apparatus | Chia-Jung Chang, Ying-Hao Wang, Chih-Hao Hsu | 2024-02-27 |
| 11112353 | Residual toxicant detection device | Chih-Hao Hsu, Ying-Hao Wang, Chia-Jung Chang | 2021-09-07 |
| 10883975 | Residual toxicant detection system and residual toxicant detection method | Chia-Jung Chang, Chih-Hao Hsu, Jing-Yuan Lin | 2021-01-05 |
| 7442866 | Mouthpiece for musical instrument | — | 2008-10-28 |