Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11448338 | Negative pressure pipeline opening and closing device | — | 2022-09-20 |
| 11312934 | Piezoelectric ultrasonic microinjection device based on flexible hinge mechanism | Haibo Huang, Xiwei Gao, Fei Zhou, Hao Guo, Lingfeng Chang +3 more | 2022-04-26 |