Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9516416 | Multi-loudspeaker active noise cancelling headphone providing stereo effct and improved ambient noise reduction | Ching-Jen Lee | 2016-12-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9516416 | Multi-loudspeaker active noise cancelling headphone providing stereo effct and improved ambient noise reduction | Ching-Jen Lee | 2016-12-06 |