Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1076862 | Speaker | ZhiHua TONG | 2025-05-27 |
| 12200461 | Double-sided speaker | ZhiHua TONG | 2025-01-14 |
| 12143796 | Speaker | ZhiHua TONG | 2024-11-12 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1076862 | Speaker | ZhiHua TONG | 2025-05-27 |
| 12200461 | Double-sided speaker | ZhiHua TONG | 2025-01-14 |
| 12143796 | Speaker | ZhiHua TONG | 2024-11-12 |