Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6005780 | Single-stage AC/DC conversion with PFC-tapped transformers | — | 1999-12-21 |
| 5999433 | Half-bridge DC to DC converter with low output current ripple | Xinfu Zhuang, Daniel M. Sable | 1999-12-07 |
| 5790389 | Consolidated soft-switching AC/DC converters | — | 1998-08-04 |
| 5486752 | Zero-current transition PWM converters | Fred C. Lee | 1996-01-23 |
| 5442540 | Soft-switching PWM converters | Fred C. Lee | 1995-08-15 |
| 5418704 | Zero-voltage-transition pulse-width-modulated converters | Fred C. Lee | 1995-05-23 |
| 5262930 | Zero-voltage transition PWM converters | Fred C. Lee | 1993-11-16 |