Issued Patents 2020
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10779065 | Speaker module housing, speaker module and sounding device | Guofu Wang | 2020-09-15 |
| 10715907 | Speaker unit, speaker system, and method for adjusting vibration displacement of vibration diaphragm | Pengcheng Ji | 2020-07-14 |
| 10638220 | Moving-coil loudspeaker | Huixian Cao, Shu Jiang | 2020-04-28 |
| 10638233 | Speaker module and sound production device | Huixian Cao, Guofu Wang, Shu Jiang, Huaisheng Zhang, Pengcheng Ji | 2020-04-28 |
| 10582323 | Speaker module housing and manufacturing method thereof | Pengcheng Ji | 2020-03-03 |
| 10553191 | Sound generating apparatus, electric device and method for manufacturing the same | Lianwen Shan, Hairong Wang, Longhao Cui | 2020-02-04 |
| 10542344 | Loudspeaker module and manufacturing method thereof | Tongyan Xu, Pengcheng Ji | 2020-01-21 |