Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12356171 | Sounding device | Long Zhang, Xiwen Du | 2025-07-08 |
| 11589143 | Speaker box | Huhu Yang, Long Zhang, Xuefeng Zhang | 2023-02-21 |
| 10924827 | Mobile terminal | Long Zhang | 2021-02-16 |