Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10637421 | Audio playback device and audio control circuit of the same | Cheng-Pin Chang | 2020-04-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10637421 | Audio playback device and audio control circuit of the same | Cheng-Pin Chang | 2020-04-28 |