Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8283881 | Methods, systems and apparatus for synchronous current regulation of a five-phase machine | Gabriel Gallegos-Lopez | 2012-10-09 |
| 8228016 | Gain adjustment to improve torque linearity in a field weakening region | Gabriel Gallegos-Lopez, Silva Hiti | 2012-07-24 |
| 8203236 | Dual voltage-source inverter system and method | Gabriel Gallegos-Lopez, Silva Hiti, George John, Gregory S. Smith, Khiet Le +1 more | 2012-06-19 |
| 8193747 | Methods, systems and apparatus for controlling operation of two alternating current (AC) machines | Gabriel Gallegos-Lopez, James M. Nagashima, Silva Hiti | 2012-06-05 |
| 8122985 | Double-ended inverter drive system for a fuel cell vehicle and related operating method | James M. Nagashima, Gregory S. Smith, Brian A. Welchko, Sibaprasad Chakrabarti, George John | 2012-02-28 |
| 8115430 | Methods, systems and apparatus for controlling operation of two alternating current (AC) machines | Gabriel Gallegos-Lopez, James M. Nagashima, Silva Hiti | 2012-02-14 |
| 8102142 | Double ended inverter system for a vehicle having two energy sources that exhibit different operating characteristics | Gregory S. Smith, Brian A. Welchko, George John, Sibaprasad Chakrabarti, James M. Nagashima | 2012-01-24 |
| 8058830 | Charging energy sources with a rectifier using double-ended inverter system | George John, Sibaprasad Chakrabarti, Brian A. Welchko, Gregory S. Smith, James M. Nagashima | 2011-11-15 |
| 8054032 | Discontinuous pulse width modulation for double-ended inverter system | Sibaprasad Chakrabarti, Gregory S. Smith, James M. Nagashima, Brian A. Welchko, George John | 2011-11-08 |
| 8026691 | Double ended inverter system with a cross-linked ultracapacitor network | James M. Nagashima, Brian A. Welchko, Sibaprasad Chakrabarti, Gregory S. Smith, George John | 2011-09-27 |
| 8002056 | Double-ended inverter system with isolated neutral topology | Sibaprasad Chakrabarti, Gregory S. Smith, James M. Nagashima, Brian A. Welchko, George John | 2011-08-23 |
| 7990098 | Series-coupled two-motor drive using double-ended inverter system | Silva Hiti, Gregory S. Smith, James M. Nagashima, George John, Sibaprasad Chakrabarti +1 more | 2011-08-02 |
| 7956569 | Double ended inverter system with an impedance source inverter subsystem | Brian A. Welchko, James M. Nagashima, Gregory S. Smith, Sibaprasad Chakrabarti, George John | 2011-06-07 |
| 7956563 | System for using a multi-phase motor with a double-ended inverter system | Silva Hiti, Brian A. Welchko, Sibaprasad Chakrabarti, James M. Nagashima, Gregory S. Smith +1 more | 2011-06-07 |
| 7944160 | Redundant DC bus discharge for an electric motor system | Silva Hiti, David Tang, Brian A. Welchko, Constantin C. Stancu | 2011-05-17 |
| 7944161 | DC bus discharge in an electric motor system | Silva Hiti, David Tang, Brian A. Welchko, Constantin C. Stancu | 2011-05-17 |
| 7923953 | Linearity for field weakening in an interior permanent magnet machine | Gabriel Gallegos-Lopez, Yo Chan Son, Silva Hiti | 2011-04-12 |
| 7911180 | Single-phase phase locked loop suitable for use in a hybrid vehicle charging system and method for charging a hybrid vehicle from a single-phase power source | Gholamreza Esmaili | 2011-03-22 |
| 7847437 | Efficient operating point for double-ended inverter system | Sibaprasad Chakrabarti, Gregory S. Smith, James M. Nagashima, Brian A. Welchko, George John | 2010-12-07 |
| 7759886 | Linearity for field weakening in an interior permanent magnet machine | Gabriel Gallegos-Lopez, Yo Chan Son, Silva Hiti | 2010-07-20 |
| 7755313 | Power inverter module thermal management | Yo Chan Son, Gabriel Gallegos-Lopez, Silva Hiti, Michael Milani | 2010-07-13 |
| 7719138 | Two-source series inverter | Gabriel Gallegos-Lopez, George John, Gregory S. Smith, Silva Hiti | 2010-05-18 |
| 7616466 | Three phase inverter with improved loss distribution | Sibaprasad Chakrabarti, Silva Hiti, George John, Gregory S. Smith, Gholamreza Esmaili | 2009-11-10 |