Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9602912 | High bass speaker monomer and a high bass earphone structure | — | 2017-03-21 |
| 9344784 | Earphone with dual loudspeakers | Huiguang Yang | 2016-05-17 |
| 9204221 | Acoustic metal diaphragm | — | 2015-12-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9602912 | High bass speaker monomer and a high bass earphone structure | — | 2017-03-21 |
| 9344784 | Earphone with dual loudspeakers | Huiguang Yang | 2016-05-17 |
| 9204221 | Acoustic metal diaphragm | — | 2015-12-01 |