Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10718538 | Method and device for obtaining a water amount for a humidifier | Tiejun Liu, Xingsheng Lin, Dongdong Wang | 2020-07-21 |
| 10481140 | Method and apparatus for calibrating particulate matter measurement value | Tiejun Liu, Dongxu Liu | 2019-11-19 |