Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9332367 | Headset test device | Chih-jen Chang, Shih-Hsuan Chiu, Nai Ching Wang, Cheng-Chin Chen, Kun Ting Chen | 2016-05-03 |
| 8391532 | In-ear earphone | Mu-Tsun Tseng | 2013-03-05 |
| 8391538 | Earphone | Mu-Tsun Tseng | 2013-03-05 |