Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10823773 | Impedance detection apparatus for earphone plug | Jianbo Wang, Xinfang Cao | 2020-11-03 |
| 10516932 | Wire control earphone | Jianbo Wang, Xinfang Cao | 2019-12-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10823773 | Impedance detection apparatus for earphone plug | Jianbo Wang, Xinfang Cao | 2020-11-03 |
| 10516932 | Wire control earphone | Jianbo Wang, Xinfang Cao | 2019-12-24 |