Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11160943 | Cushion for breathing mask and breathing mask | Mingzhao Zhou, Yajie Wang | 2021-11-02 |
| 11020048 | Method and device for detecting sleep apnea | — | 2021-06-01 |
| 11009046 | Blower device and respirator including blower device | Bowei Jing, Shumin Gao | 2021-05-18 |
| 10953182 | Breathing mask | Yifeng Zhan | 2021-03-23 |