Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11130107 | Method for providing deionized water with dynamic electrical resistivity | Chi-Hung Liao, Wei Chang Cheng | 2021-09-28 |
| 11035619 | Drainage for temperature and humidity controlling system | Wei Chang Cheng, Chi-Hung Liao, Guan-Yu Lin, Yung-Yao Lee | 2021-06-15 |