Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1082005 | Breath training device | Leifeng Zhu, Weidong Su, Shanmei Shen, Bin Zhang, Peihua Zhu | 2025-07-01 |
| D1053345 | Respiratory muscle trainer | Shanmei Shen, Weidong Su, Yan Ma, Shengui Li, Leifeng Zhu | 2024-12-03 |