Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8125806 | Multi-stage switching power supply | Kirk Nangreaves, Charles Zhu | 2012-02-28 |
| 8085565 | Vehicle inverter for powering consumer electronic devices | Fengtai Huang | 2011-12-27 |
| 7983013 | Operating and controlling insulated gate bipolar transistors in high speed failure mode situations | Fengtai Huang, Bryan M. Ludwig, Fred Flett, Subramanian Vadula, Lizhi Zhu | 2011-07-19 |
| 7495403 | Method, apparatus and article for vibration compensation in electric drivetrains | Christophe Soudier, Vinod Reddy, Venkatapathi Raju Nallapa | 2009-02-24 |
| 7456602 | System and method of commonly controlling power converters | John M. Van Dyke, Lizhi Zhu, Sayeed Ahmed | 2008-11-25 |
| 7456598 | Method, apparatus and article for load stabilization | Venkatapathi Raju Nallapa, Franz Prenner | 2008-11-25 |
| 7449259 | Power converter architecture and method for integrated fuel cell based power supplies | Lizhi Zhu, Brian Wells | 2008-11-11 |
| 7426099 | Controller method, apparatus and article suitable for electric drive | Christophe Soudier, Bing Cheng, Steven J. Kowalec, Venkatapathi Raju Nallapa | 2008-09-16 |
| 7348750 | Method, apparatus and article for load stabilization | Venkatapathi Raju Nallapa, Franz Prenner | 2008-03-25 |
| 7190145 | Method and apparatus for improving speed measurement quality in multi-pole machines | Kerry E. Grand, Yifan Zhao | 2007-03-13 |
| 7084588 | Method, apparatus and article for motor control voltage dropout detection | Venkatapathi Raju Nallapa, Christophe Soudier | 2006-08-01 |
| 7019996 | Power converter employing a planar transformer | Lizhi Zhu, John M. Van Dyke | 2006-03-28 |
| 6844701 | Overmodulation systems and methods for induction motor control | Li Chen, Venkatapathi Raju Nallapa | 2005-01-18 |
| 6815925 | Systems and methods for electric motor control | Li Chen, Xingyi Xu, Vinod Reddy, Kerry E. Grand | 2004-11-09 |
| 6707270 | System and method for induction motor control | Li Chen, Kerry E. Grand, Vinod Reddy, Xingyi Xu, Nick Langovsky | 2004-03-16 |
| 6700342 | Method and apparatus for high performance permanent magnet motor speed control with limited position information | Yifan Zhao | 2004-03-02 |
| 6630809 | System and method for induction motor control | Li Chen, Xingyi Xu, Vinod Reddy, Kerry E. Grand | 2003-10-07 |
| 6394208 | Starter/alternator control strategy to enhance driveability of a low storage requirement hybrid electric vehicle | Xingyi Xu | 2002-05-28 |
| 6388419 | Motor control system | Li Chen, Xingyi Xu, Kerry E. Grand | 2002-05-14 |
| 6366049 | Motor starter and speed controller system | Li Chen, Yifan Zhao | 2002-04-02 |
| 5929631 | Method of position sensing utilizing giant magneto resistance elements and solid state switch array | David Lee Striker | 1999-07-27 |
| 5754026 | Induction motor control method | Md Abul Masrur, John Michael Miller | 1998-05-19 |
| 5747689 | Fluid level sensing system | Paul Theodore Momcilovich, Ross Maxwell Stuntz | 1998-05-05 |
| 5681990 | Capacitive throttle position sensor | David Lee Striker, William H. Lee, Michael J. Lee | 1997-10-28 |
| 5587524 | Misfire detection assembly | Kenneth A. Marko, Bruce David Bryant | 1996-12-24 |