Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12199606 | Level shifter with expanded voltage range | Kai Cheong Kwan, Quazi Ikram, Cristiano Bazzani | 2025-01-14 |
| 8547033 | LED string driver with power factor corrector and current governor | Yair Darshan, Chii-Fa Chiou | 2013-10-01 |
| 8358082 | Striking and open lamp regulation for CCFL controller | George C. Henry | 2013-01-22 |
| 7868603 | Method and apparatus to compensate for supply voltage variations in a PWM-based voltage regulator | Chii-Fa Chiou, George C. Henry | 2011-01-11 |
| 7569998 | Striking and open lamp regulation for CCFL controller | George C. Henry | 2009-08-04 |
| 6496317 | Accurate adjustable current overshoot circuit | — | 2002-12-17 |
| 6466388 | Overshoot control for voltage source/impedanced based write coil driver | Chii-Fa Chiou | 2002-10-15 |
| 6400190 | Controlled current undershoot circuit | — | 2002-06-04 |
| 5309144 | Proximity sensing security system | George Seelman, Michael C. Scofield | 1994-05-03 |
| 5279514 | Gift with personalized audio message | Sherry Yu-Kim, George Seelman | 1994-01-18 |