Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12267658 | Multifunctional sounding device | Jiujian Liu | 2025-04-01 |
| 12262170 | Speaker module | Yufen Chu | 2025-03-25 |
| 12238476 | Speaker module | Juha Backman, Yufen Chu | 2025-02-25 |
| 12238474 | Speaker box | Yufen Chu, Jiujian Liu, Weimin Chen | 2025-02-25 |
| 12143792 | Micro speaker | Xingchi Chen, Weimin Chen | 2024-11-12 |
| 12101597 | Speaker module | Yufen Chu, Juha Backman | 2024-09-24 |
| 12089023 | Micro speaker and diaphragm mold | Xingchi Chen, Weimin Chen | 2024-09-10 |
| 11910175 | Speaker | Xingchi Chen, Weimin Chen | 2024-02-20 |
| 11483659 | Speaker device and mobile terminal | Shasha Xu, Zhe Zhang, Dijiang Tong, Jun Wu | 2022-10-25 |
| 11202154 | Speaker includes a second fixing arm of an elastic supporting member sandwiched between two independently controlled voice coils | Kaitai Pan, Xingzhi Huang, Chao-Chun Wang, Bin Xu, Henglizi Zhang +3 more | 2021-12-14 |
| 10356529 | Film speaker | Shujuan Li | 2019-07-16 |
| 10051378 | Film speaker | Shujuan Li | 2018-08-14 |
| 10051379 | Film speaker | Shujuan Li | 2018-08-14 |
| 10038953 | Speaker | — | 2018-07-31 |
| 9955267 | Film speaker | Shujuan Li | 2018-04-24 |