Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12300209 | Wearable active noise reduction (ANR) device having low frequency feedback loop modulation | Ole Mattis Nielsen, David J. Warkentin, Lei Cheng, Michael P. O'Connell | 2025-05-13 |
| 12219319 | Active noise reduction control for non-occluding wearable audio devices | Lei Cheng, Ray Scott Wakeland, Jahn Dmitri Eichfeld, Travis Lee Hein, Yashar Motedayen Aval +1 more | 2025-02-04 |