Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7339394 | Current sensing in a two-phase motor | Ronan de Larminat, Guang Liu | 2008-03-04 |
| 7239168 | Current sensing in a two-phase motor | Ronan de Larminat, Guang Liu | 2007-07-03 |
| 7136733 | Fault detection in an electric power-assisted steering system | Guang Liu, Ronan de Larminat, Scott W. Repplinger | 2006-11-14 |
| 7109742 | Current sensing in a two-phase motor | Ronan de Larminat, Guang Liu | 2006-09-19 |
| 6738718 | Method and apparatus for measuring torque and flux current in a synchronous motor | Ronan de Larminat | 2004-05-18 |
| 6735537 | Procedure for measuring the current in each phase of a three-phase device via single current sensor | Guang Liu, Ronan De'Larminat | 2004-05-11 |
| 6411534 | Control methods for power converter circuit | Eric C Pratt, Kaushik Rajashekara | 2002-06-25 |
| 6005783 | Method of synthesizing poly-phase AC voltage | Yanhong Xue, Kaushik Rajashekara, Edward Oliver Allen | 1999-12-21 |
| 5594634 | DC link inverter having soft-switched auxiliary devices | Kaushik Rajashekara | 1997-01-14 |
| 5592371 | DC link inverter | Kaushik Rajashekara | 1997-01-07 |
| 5471117 | Low power unity power factor ballast | Krishnappa Ranganath | 1995-11-28 |
| 5471119 | Distributed control system for lighting with intelligent electronic ballasts | Krishnappa Ranganath | 1995-11-28 |
| 5394064 | Electronic ballast circuit for fluorescent lamps | Krishnappa Ranganath | 1995-02-28 |