Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12317046 | Double-sided speaker | ZhiHua TONG | 2025-05-27 |
| 12200462 | Double-sided speaker | ZhiHua TONG | 2025-01-14 |
| 11528559 | Double sided speaker device | Jiin-Tarng Huang | 2022-12-13 |