Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9030847 | Inverter and driving method thereof | Myungbok Kim, Donghye Cho | 2015-05-12 |
| 8942019 | Current vector controlled deadtime for multilevel inverters | Myoungho Lee, YongTaek Lee, Jacobo Aguillon-Garcia, Bongjoo Choi | 2015-01-27 |
| 8503146 | Gate driver with short-circuit protection | — | 2013-08-06 |
| 8385092 | Power converter with current vector controlled dead time | — | 2013-02-26 |
| 8023295 | Direct current (DC) to alternating current (AC) generation | Myungbok Kim, Dong-Hye Cho | 2011-09-20 |
| 7834597 | System and method for AC voltage regulation | — | 2010-11-16 |
| 7518895 | High-efficiency power converter system | Ronald H. Randall, Donghye Cho | 2009-04-14 |
| 7269038 | Vrms and rectified current sense full-bridge synchronous-rectification integrated with PFC | Ronald H. Randall, Dong-Young Huh | 2007-09-11 |
| 6831329 | Quick punch through IGBT having gate-controllable DI/DT and reduced EMI during inductive turn off | Joseph A. Yedinak, Jon Gladish, Gary M. Dolny, Praveen Muraleedharan Shenoy, Douglas Lange +1 more | 2004-12-14 |
| 6275093 | IGBT gate drive circuit with short circuit protection | Jon Gladish, Anup Bhalla | 2001-08-14 |
| 6140152 | Power module with lowered inductance and reduced voltage overshoots | John Coronati, John J. Tumpey | 2000-10-31 |
| 6069403 | Power module with lowered inductance and reduced voltage overshoots | John Coronati, John J. Tumpey | 2000-05-30 |
| 5550456 | Voltage/current controlled voltage regulator to eliminate exciter field saturation | Eli Liebermann, William Scherzinger, Gayton L. Silvestro, Nick Suttora, David Hodge | 1996-08-27 |
| 5546742 | Aircraft engine electric start system without a separate exciter field inverter | John J. Tumpey, James C. Widdis | 1996-08-20 |
| 5498907 | Interconnection arrangement for power semiconductor switching devices | John J. Tumpey, Gayton L. Silvestro, John Brogle | 1996-03-12 |
| 5402083 | Shoot-through protection circuit for improved stability in a neutral-point clamped synthesizer | Robert C. Eckenfelder | 1995-03-28 |
| 5339235 | Fault compensating multi-step wave inverter | Robert C. Eckenfelder, John J. Tumpey, Alfred W. Wohlberg, Kapal Gandikota | 1994-08-16 |
| 5313098 | Packaging arrangement for power semiconductor devices | John J. Tumpey, Raymond W. Borden, Robert C. Eckenfelder | 1994-05-17 |
| 5138202 | Proportional base drive circuit | — | 1992-08-11 |
| 5130917 | Power inverter snubber circuit | — | 1992-07-14 |
| 5120986 | Sine wave synthesis controller circuit for use with a neutral-point clamped inverter | — | 1992-06-09 |
| 4970635 | Inverter with proportional base drive controlled by a current transformer | John J. Dhyanchand | 1990-11-13 |
| 4969081 | Inverter switch current sensor with shoot-through current limiting | Chai-Nam Ng, P. John Dhyanchand | 1990-11-06 |
| 4961129 | Current controlled active flywheel type neutral point clamped inverter | — | 1990-10-02 |
| 4947055 | Base drive circuit for Darlington-connected transistors | P. John Dhyanchand | 1990-08-07 |