Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8644532 | Channel coordination between a wireless earphone and a transmitter | Yifeng Zhang, Kou-Hu Tzou, Pengyi Hong | 2014-02-04 |
| 8422409 | System and method of duplex wireless audio link over broadcast channels | Yifeng Zhang, Peiqi Xuan | 2013-04-16 |