Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9252698 | Inverter device and motor drive system | Hidenori Hara, Koji Higashikawa | 2016-02-02 |
| 8547143 | Resonant gate drive circuit for a power switching device in a high frequency power converter | Mahesh M. Swamy | 2013-10-01 |
| 8274803 | Low stress soft charge circuit for diode front end variable frequency drive | Mahesh M. Swamy | 2012-09-25 |
| 8179701 | Variable frequency drive soft charge circuit | Mahesh M. Swamy | 2012-05-15 |
| 6847185 | Apparatus for switching windings of AC three-phase motor | Swamy Mahesh | 2005-01-25 |
| 6429612 | Fast stopping method for induction motors operating from variable frequency drives | Mahesh M. Swamy | 2002-08-06 |
| 6208098 | Variable frequency drive noise attenuation circuit | Mahesh M. Swamy | 2001-03-27 |
| 6028405 | Variable frequency drive noise attenuation circuit | Mahesh M. Swamy | 2000-02-22 |
| 5969966 | Power converting apparatus and method using a multiple three-phase PWM cycloconverter system | Toshihiro Sawa, Koichi Hirano | 1999-10-19 |
| 5835371 | Bridge type power converter | Toshihiro Sawa, Sumitoshi Sonoda, Kenji Yamada | 1998-11-10 |