Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691625 | Using sensed stator terminal voltages for determining alternator rotor position for cranking an engine | Ajith Kuttannair Kumar | 1997-11-25 |
| 5528486 | Firing pattern output generation for AC traction inverter control | Ajith Kuttannair Kumar | 1996-06-18 |
| 5414615 | Pattern generation control for inverter drives | Ajith Kuttannair Kumar | 1995-05-09 |
| 5363039 | Auto self test of AC motor system | Ajith Kuttannair Kumar | 1994-11-08 |
| 5283507 | Regenerative braking protection for an electrically-propelled traction vehicle | Ajith Kuttannair Kumar | 1994-02-01 |
| 5266891 | Auto self test of AC motor system | Ajith Kuttannair Kumar | 1993-11-30 |
| 5229700 | Calibration of signal feedback through VCO's | Philip R. Cooke, Ajith Kuttannair Kumar | 1993-07-20 |
| 5168439 | Inverter control method and apparatus | Ajith Kuttannair Kumar | 1992-12-01 |
| 5057987 | Fault detection and protection strategy for a pair of complementary GTO thyristors | Ajith Kuttannair Kumar | 1991-10-15 |
| 4284936 | Chopper type propulsion system with low speed electrical braking capability for traction vehicles | Ronald B. Bailey | 1981-08-18 |