Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11745598 | Magnetic wheel driving device and driving method using same | Zigang Deng, Xin Liu, Hongfu Shi, Le Liang, Jun Zheng | 2023-09-05 |
| 11631384 | Mechanical connections in piano-action of piano | Xiaolu Liu, Yangyi Teng | 2023-04-18 |