Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12363483 | Speaker | Long Zhang, Yu Qi | 2025-07-15 |
| 12356171 | Sounding device | Long Zhang, Xianjie Dong | 2025-07-08 |
| 12192721 | Sound device | Long Zhang, Lipeng Ma | 2025-01-07 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12363483 | Speaker | Long Zhang, Yu Qi | 2025-07-15 |
| 12356171 | Sounding device | Long Zhang, Xianjie Dong | 2025-07-08 |
| 12192721 | Sound device | Long Zhang, Lipeng Ma | 2025-01-07 |