Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12220375 | Cooling and heating massager | Quanqin Dai, Yong Yu | 2025-02-11 |
| 12109166 | Cooling and heating massager | Quanqin Dai, Yong Yu | 2024-10-08 |
| 11877976 | Physical therapy device with percussion, cooling, and heating | Quanqin Dai, Yong Yu | 2024-01-23 |
| 7261802 | EDI module with stabilizing DC current | Guolin Luo | 2007-08-28 |