Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9780168 | IGBT with waved floating P-well electron injection | — | 2017-10-03 |
| 9641065 | AC line filter and AC-to-DC rectifier module | — | 2017-05-02 |
| 9595950 | High-voltage stacked transistor circuit | — | 2017-03-14 |
| 9589953 | Reverse bipolar junction transistor integrated circuit | — | 2017-03-07 |
| 9590092 | Super junction field effect transistor with internal floating ring | — | 2017-03-07 |
| 9350254 | Low forward voltage rectifier | — | 2016-05-24 |
| 9337171 | Full bridge rectifier module | — | 2016-05-10 |
| 9263959 | Forward converter with self-driven BJT synchronous rectifier | — | 2016-02-16 |
| 9219416 | Buck converter having self-driven BJT synchronous rectifier | — | 2015-12-22 |
| 9106139 | Low forward voltage rectifier | — | 2015-08-11 |
| 9082845 | Super junction field effect transistor | — | 2015-07-14 |
| 9041075 | Full bridge rectifier module | — | 2015-05-26 |
| 9042143 | Low forward voltage rectifier using capacitive current splitting | — | 2015-05-26 |
| 8900943 | Vertical power MOSFET and IGBT fabrication process with two fewer photomasks | Jae Yong Choi, Vladimir Tsukanov | 2014-12-02 |
| 8741709 | Vertical power MOSFET and IGBT fabrication process with two fewer photomasks | Jae Yong Choi, Vladimir Tsukanov | 2014-06-03 |
| 8742451 | Power transistor with increased avalanche current and energy rating | — | 2014-06-03 |
| 8737094 | Transformer drive for low conduction loss rectifier in flyback converter | Joseph James Roosma | 2014-05-27 |
| 8686513 | IGBT assembly having circuitry for injecting/extracting current into/from an auxiliary P well | — | 2014-04-01 |
| 8648399 | Bipolar junction transistor for current driven synchronous rectifier | — | 2014-02-11 |
| 8649199 | Low forward voltage rectifier | — | 2014-02-11 |
| 8344480 | Insulated gate bipolar transistor | Vladimir Tsukanov | 2013-01-01 |
| 7589301 | Induction heating device having plural resonant circuits | — | 2009-09-15 |
| 7459659 | Induction heating circuit and winding method for heating coils | Kang Rim Choi | 2008-12-02 |
| 6124605 | Insulated gate bipolar transistor with latch-up protection | — | 2000-09-26 |