Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7636018 | Phase locked loop with phase shifted input | Jen-Chung Chang, Chia-Jung Hsu, Shey-Shi Lu, Yu-Che Yang, Tsung-Chien Wu | 2009-12-22 |
| 7577418 | Sub-harmonic mixer and down converter with the same | Jen-Chung Chang, Chia-Jung Hsu, Shey-Shi Lu, Hsiao-Chin Chen | 2009-08-18 |
| 7199742 | Digital-to-analog converter and related level shifter thereof | Yuan-Hui Chen, Hai T. Nguyen | 2007-04-03 |