Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10834492 | Modularized wireless earphone | Lin-Chuan Chiang, Yu-Ching Chen | 2020-11-10 |
| 9451349 | Earphone assembly with moisture resistance | Timothy K. Wickstrom, William J. Ballad, Ying-Tzu Chan, Mei-Yu Lin | 2016-09-20 |
| 9078064 | Earphone assembly with moisture resistance | Timothy K. Wickstrom, William J. Ballad, Ying-Tzu Chan, Mei-Yu Lin | 2015-07-07 |
| 8532323 | Earphone assembly with moisture resistance | Timothy K. Wickstrom, William J. Ballad, Mei-Yu Lin, Ying-Tzu Chan | 2013-09-10 |
| 8144898 | High performance microphone and manufacturing method thereof | — | 2012-03-27 |
| 7260230 | High performance microphone and manufacturing method thereof | — | 2007-08-21 |