Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11202141 | Button sound-emitting apparatus and electronic device | Xinfeng Yang | 2021-12-14 |
| 11133735 | Linear vibration motor | Chunfa Liu | 2021-09-28 |
| 10944313 | Self-adaptive control miniature motor | Chunfa Liu | 2021-03-09 |
| 10886827 | Linear vibration motor | Chunfa Liu | 2021-01-05 |