Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10149081 | Headphone amplifier circuit for headphone driver, operation method thereof, and USB interfaced headphone device using the same | Tsung-Peng Chuang, Cheng-Pin Chang | 2018-12-04 |