Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9933764 | Rotating shaft device with variable torsion, electronic device and control method thereof | Zhigang Na, Huajun Dong | 2018-04-03 |
| 8970485 | Electronic device | — | 2015-03-03 |