Issued Patents All Time
Showing 101–125 of 141 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4912622 | Gate driver for a full-bridge lossless switching device | Khai D. T. Ngo | 1990-03-27 |
| 4903189 | Low noise, high frequency synchronous rectifier | Khai D. T. Ngo, John P. Walden, Bantval J. Baliga, Charles Steven Korman, Hsueh-Rong Chang | 1990-02-20 |
| 4876635 | Series resonant inverter with lossless snubber-resetting components | John Norton Park, Michael Joseph Schutten | 1989-10-24 |
| 4864479 | Full-bridge lossless switching converter | Khai D. T. Ngo | 1989-09-05 |
| 4845605 | High-frequency DC-DC power converter with zero-voltage switching of single primary-side power device | — | 1989-07-04 |
| 4825348 | Resonant power converter with current sharing among multiple transformers | Andrew J. MacDonald | 1989-04-25 |
| 4796173 | Low input voltage resonant power converter with high-voltage A.C. link | — | 1989-01-03 |
| 4758940 | Control circuit for insuring super-resonant operation of resonant converter | — | 1988-07-19 |
| 4733104 | Integrated circuit for controlling power converter by frequency modulation and pulse width modulation | Keku M. Mistry | 1988-03-22 |
| 4695934 | Multiple output resonant power supply | Keku M. Mistry | 1987-09-22 |
| 4694384 | HVIC power supply controller with primary-side edge detector | Kevin C. Routh, Glenn Scott Claydon, William Hull Bicknell | 1987-09-15 |
| 4685040 | Integrated circuit for controlling power converter by frequency modulation and pulse width modulation | Keku M. Mistry | 1987-08-04 |
| 4684867 | Regenerative unipolar converter for switched reluctance motors using one main switching device per phase | Timothy J. Miller, Allan B. Plunkett | 1987-08-04 |
| 4672528 | Resonant inverter with improved control | John Norton Park | 1987-06-09 |
| 4642745 | Power circuit with high input power factor and a regulated output | William P. Kornrumpf | 1987-02-10 |
| 4628426 | Dual output DC-DC converter with independently controllable output voltages | — | 1986-12-09 |
| 4581542 | Driver circuits for emitter switch gate turn-off SCR devices | — | 1986-04-08 |
| 4541041 | Full load to no-load control for a voltage fed resonant inverter | John Norton Park | 1985-09-10 |
| 4504895 | Regulated dc-dc converter using a resonating transformer | — | 1985-03-12 |
| 4477868 | High frequency series resonant dc-dc converter | — | 1984-10-16 |
| 4460949 | High frequency parallel resonant dc-dc converter | — | 1984-07-17 |
| 4456839 | High gain latching Darlington transistor | — | 1984-06-26 |
| 4445049 | Inverter for interfacing advanced energy sources to a utility grid | — | 1984-04-24 |
| 4426564 | Parallel resonant induction cooking surface unit | William P. Kornrumpf, John P. Walden | 1984-01-17 |
| 4424557 | Full bridge PWM inverter with distributed device switching | — | 1984-01-03 |