Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12250515 | In-ear audio device with resonator | Konstantinos Gkanos | 2025-03-11 |
| 11706554 | Earphone with an acoustic rear chamber vent | Nuno Beleza FREIRE | 2023-07-18 |
| 10878798 | Earphone with an active noise cancelling feedback microphone arranged at the rear-side of a speaker diaphragm | — | 2020-12-29 |
| 9288569 | Earphone with noise reduction | — | 2016-03-15 |