Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9614694 | Wideband RF device | Chong Mei | 2017-04-04 |
| 9532133 | Dual-frequency coaxial earphone | To-Teng HUANG | 2016-12-27 |
| 9467762 | Earphone device having sound guiding structures | To-Teng HUANG | 2016-10-11 |
| 9191731 | Dual-frequency coaxial earphone | To-Teng HUANG | 2015-11-17 |
| 9035715 | Compact broadband impedance transformer | Chong Mei | 2015-05-19 |