Issued Patents All Time
Showing 76–100 of 111 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7880425 | Electric motor drive systems, motor vehicles, and methods of phase current regulation | Steven E. Schulz, Silva Hiti | 2011-02-01 |
| 7847437 | Efficient operating point for double-ended inverter system | Sibaprasad Chakrabarti, Gregory S. Smith, James M. Nagashima, Milun Perisic, George John | 2010-12-07 |
| 7843156 | Method and apparatus for active voltage control of electric motors | Keith A Rodman | 2010-11-30 |
| 7834574 | Phase current sampling and regulating apparatus and methods, and electric motor drive systems | Stephen T. West, Steven E. Schulz, Silva Hiti | 2010-11-16 |
| 7800331 | Method and system for operating an electric motor coupled to multiple power supplies | Sibaprasad Chakrabarti, Silva Hiti | 2010-09-21 |
| 7774148 | Torque estimator for IPM motors | Silva Hiti, Steven E. Schulz | 2010-08-10 |
| 7768228 | Method and system for converting DC power to AC power | Lateef A. Kajouke | 2010-08-03 |
| 7755319 | Apparatus, systems, and methods for reducing voltage source inverter losses | Silva Hiti, Steven E. Schulz | 2010-07-13 |
| 7756669 | Systems and methods for estimating temperatures of power module components | Constantin C. Stancu, Robert T. Dawsey | 2010-07-13 |
| 7728562 | Voltage link control of a DC-AC boost converter system | Lateef A. Kajouke | 2010-06-01 |
| 7723946 | Method and system for pulse position scheduling in electric drives | Steven E. Schulz, Silva Hiti | 2010-05-25 |
| 7714461 | Apparatus and methods for reducing resonance in multiple inverter systems | — | 2010-05-11 |
| 7679310 | Method and system for controlling pulse width modulation in a power inverter in electric drives | Steven E. Schulz, Silva Hiti | 2010-03-16 |
| 7659688 | Method and system for resolver alignment in electric motor system | Steven E. Schulz, Sean E. Gleason | 2010-02-09 |
| 7652443 | Method and system for controlling a power inverter in electric drives | Steven E. Schulz, Stephen T. West, Silva Hiti | 2010-01-26 |
| 7652858 | Protection for permanent magnet motor control circuits | David Tang, Silva Hiti, Mark L. Selogie | 2010-01-26 |
| 7652447 | Power capacitors for AC motors mounted diametrically on associated transmissions | Terence G. Ward, Alex Thompson | 2010-01-26 |
| 7595600 | Method and system for torque control in permanent magnet machines | Nitinkumar R. Patel, Bonho Bae, Steven E. Schulz | 2009-09-29 |
| 7579792 | Hybrid motor boost system and methods | James M. Nagashima, Peter J. Savagian | 2009-08-25 |
| 7576500 | Method and system for operating a motor to reduce noise in an electric vehicle | Nitinkumar R. Patel, Mohammad N. Anwar, Silva Hiti, Steven E. Schulz, Lisa M. Talarico | 2009-08-18 |
| 7556082 | Interior permanent magnet rotors with multiple properties and methods of making same | Constantin C. Stancu, Gregory S. Smith | 2009-07-07 |
| 7521905 | High power permanent magnet alternator with improved controlled output | Gregory S. Smith, James M. Nagashima | 2009-04-21 |
| 7518335 | Method and apparatus for PWM control of voltage source inverter to minimize current sampling errors in electric drives | Stephen T. West, Steven E. Schulz, Silva Hiti | 2009-04-14 |
| 7471526 | Method and apparatus to reduce PWM voltage distortion in electric drives | Bonho Bae, Steven E. Schulz, Silva Hiti | 2008-12-30 |
| 7432683 | PWM pattern sequence to reduce losses in voltage source inverters | Steven E. Schulz, Silva Hiti, Stephen T. West | 2008-10-07 |