Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10779065 | Speaker module housing, speaker module and sounding device | Xinfeng Yang | 2020-09-15 |
| 10638233 | Speaker module and sound production device | Huixian Cao, Xinfeng Yang, Shu Jiang, Huaisheng Zhang, Pengcheng Ji | 2020-04-28 |