Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10764669 | Device and method for monitoring earphone wearing state | — | 2020-09-01 |
| 10764673 | Noise cancelling earset having acoustic filter | — | 2020-09-01 |
| 10638225 | Tone compensation device and method for earset | — | 2020-04-28 |
| 10602260 | Noise blocking bluetooth earset with integrated in-ear microphone | — | 2020-03-24 |
| D826211 | Headset for telephone earphone and microphone combined | — | 2018-08-21 |
| 9818423 | Method of improving sound quality and headset thereof | — | 2017-11-14 |