Issued Patents 2025
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12413910 | Speaker device | Zhang Ren, Qiaoling Li | 2025-09-09 |
| 12407987 | Speaker device | Zhang Ren | 2025-09-02 |
| 12407975 | Coaxial speaker | Zhang Ren, Qi Wang | 2025-09-02 |
| 12407976 | Coaxial earphone core | Zhang Ren | 2025-09-02 |
| 12407986 | Sounding device | Zhang Ren | 2025-09-02 |
| 12401939 | Coaxial speaker box | Zhang Ren, Qi Wang | 2025-08-26 |
| 12395795 | Sound device | Zhang Ren | 2025-08-19 |
| 12389161 | Coaxial speaker | Zhang Ren, Qi Wang | 2025-08-12 |
| 12317048 | Sounding device | Zhang Ren | 2025-05-27 |
| 12289572 | Electronic device with a sounding function | Zhang Ren, Qi Wang | 2025-04-29 |
| 12289590 | Coaxial speaker | Zhang Ren | 2025-04-29 |
| 12289591 | Coaxial speaker | Zhang Ren, Wei Song | 2025-04-29 |