Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6630753 | Low cost redundant AC to DC power supply | Diep N. Ho, Vijay V. Oak | 2003-10-07 |
| 6621180 | Method and system for maintaining full power during a power interruption in a multiple power supply system | Cecil C. Dishman, William Hemena, Eino A. Lindfors | 2003-09-16 |
| 6621718 | Resonant converter circuit | William Hemena | 2003-09-16 |
| 6615146 | Failure detection of an isolation device with PFA signal generation in a redundant power supply system | William Hemena, Eino A. Lindfors | 2003-09-02 |
| 6573701 | Method and system for line current detection for power line cords | — | 2003-06-03 |
| 6522190 | High efficiency multiple input voltage sources power supply | Trung M. Nguyen, William Hemena | 2003-02-18 |