Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11721315 | Active noise cancellation integrated circuit for stacking multiple anti-noise signals, associated method, and active noise cancellation headphone using the same | Chao-Ling Hsu, Kai Chen | 2023-08-08 |