Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12368988 | Headphones | Lei Cheng | 2025-07-22 |
| 12300209 | Wearable active noise reduction (ANR) device having low frequency feedback loop modulation | David J. Warkentin, Lei Cheng, Brandon Lee Olmos, Michael P. O'Connell | 2025-05-13 |
| 12262168 | Active noise reduction earbud | Andrew D. Munro, Lei Cheng, Emery M. Ku, Cedrik Bacon | 2025-03-25 |