Issued Patents All Time
Showing 126–150 of 151 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6057652 | Power supply for supplying AC output power | Wei Chen, Koji Nishiura, Tokushi Yamauchi, Yoshinobu Murakami, Minoru Maehara | 2000-05-02 |
| 5949199 | Gas discharge lamp inverter with a wide input voltage range | Jinrong Qian | 1999-09-07 |
| 5920471 | Method and apparatus for automatic average current mode controlled power factor correction without input voltage sensing | Jayendar Rajagopalan, Paolo Nora | 1999-07-06 |
| 5914572 | Discharge lamp driving circuit having resonant circuit defining two resonance modes | Jinrong Qian, Tokushi Yamauchi | 1999-06-22 |
| 5633793 | Soft switched three-phase boost rectifiers and voltage source inverters | Yimin Jiang | 1997-05-27 |
| 5574636 | Zero-voltage-transition (ZVT) 3-phase PWM voltage link converters | Hengchun Mao | 1996-11-12 |
| 5530396 | Damped EMI input filter power factor correction circuits | Vlatko Vlatkovic, Dusan Borojevic | 1996-06-25 |
| 5486752 | Zero-current transition PWM converters | Guichao Hua | 1996-01-23 |
| 5442540 | Soft-switching PWM converters | Guichao Hua | 1995-08-15 |
| 5432695 | Zero-voltage-switched, three-phase PWM rectifier inverter circuit | Vlatko Vlatkovic, Dusan Borojevic | 1995-07-11 |
| 5418704 | Zero-voltage-transition pulse-width-modulated converters | Guichao Hua | 1995-05-23 |
| 5361014 | Apparatus for driving a piezoelectric actuator | James A. Antone, Wojciech A. Tabisz | 1994-11-01 |
| 5329439 | Zero-voltage-switched, three-phase pulse-width-modulating switching rectifier with power factor correction | Dusan Borojevic, Vlatko Vlatkovic | 1994-07-12 |
| 5325283 | Novel zero-voltage-switching family of isolated converters | Richard W. Farrington, Milan M. Jovanovic | 1994-06-28 |
| 5262930 | Zero-voltage transition PWM converters | Guichao Hua | 1993-11-16 |
| 4931716 | Constant frequency zero-voltage-switching multi-resonant converter | Milan M. Jovanovic, Richard W. Farrington | 1990-06-05 |
| 4866367 | Multi-loop control for quasi-resonant converters | Raymond B. Ridley | 1989-09-12 |
| 4860184 | Half-bridge zero-voltage switched multi-resonant converters | Wojciech A. Tabisz, Milan M. Jovanovic | 1989-08-22 |
| 4857822 | Zero-voltage-switched multi-resonant converters including the buck and forward type | Wojciech A. Tabisz | 1989-08-15 |
| 4851769 | Non-destructive tester for transistors | Grant Carpenter, Dan Chen | 1989-07-25 |
| 4841220 | Dc-to-Dc converters using multi-resonant switches | Wojciech A. Tabisz | 1989-06-20 |
| 4785387 | Resonant converters with secondary-side resonance | Kwang-Hwa Liu | 1988-11-15 |
| 4720668 | Zero-voltage switching quasi-resonant converters | Kwang-Hwa Liu | 1988-01-19 |
| 4720667 | Zero-current switching quasi-resonant converters operating in a full-wave mode | Kwang-Hwa Liu | 1988-01-19 |
| 4380795 | Base drive circuit for a four-terminal power Darlington | Roy Anthony Carter | 1983-04-19 |