Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804204 | Apparatus for a digital echo canceller and method therefor | Claymens Lee | 2004-10-12 |
| 6294963 | Voltage-controlled oscillator | Her-Y Shih, Chu-Chiao Yu | 2001-09-25 |
| 5736895 | Biquadratic switched-capacitor filter using single operational amplifier | Chu-Chiao Yu, Shaw-Jia Hor | 1998-04-07 |