Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1059337 | Microphone stand | — | 2025-01-28 |
| D1046829 | Microphone stand | — | 2024-10-15 |
| 10111198 | Method and device for collecting location information | Bin CHAI, Shengyi Qin | 2018-10-23 |
| 9848402 | Method and device for collecting location information | Bin CHAI, Shengyi Qin | 2017-12-19 |