Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7800333 | Audible noise reduction for single current shunt platform | — | 2010-09-21 |
| 7602139 | Signal conditioning apparatus and method for determination of permanent magnet motor rotor position | — | 2009-10-13 |
| 7592770 | Parking control technique for permanent magnet motor drives with sinusoidal BEMF | — | 2009-09-22 |
| 7405528 | Global closed loop control system with DV/DT control and EMI/switching loss reduction | Yong Li, Jun Honda, David Tam, Toshio Takahashi | 2008-07-29 |
| 7348758 | Audible noise reduction for single current shunt platform | — | 2008-03-25 |
| 7299708 | Rotor angle estimation for permanent magnet synchronous motor drive | — | 2007-11-27 |
| 7274241 | Global closed loop control system with DV/DT control and EMI/switching loss reduction | Yong Li, Jun Honda, David Tam, Toshio Takahashi | 2007-09-25 |
| 7239103 | Synchronous motor startup lock detection circuit and method | — | 2007-07-03 |
| 7230403 | System and method for elimination of DC offset feedback in AC drives | — | 2007-06-12 |
| 7161375 | Phase-loss detection for rotating field machine | — | 2007-01-09 |
| 7102327 | Motor current reconstruction via DC bus current measurement | — | 2006-09-05 |
| 7061195 | Global closed loop control system with dv/dt control and EMI/switching loss reduction | Yong Li, Jun Honda, David Tam, Toshio Takahashi | 2006-06-13 |
| 6979967 | Efficiency optimization control for permanent magnet motor drive | — | 2005-12-27 |
| 6910389 | Rotor angle estimation for permanent magnet synchronous motor drive | — | 2005-06-28 |
| 6856109 | Efficiency optimization control for permanent magnet motor drive | — | 2005-02-15 |
| 6819078 | Space vector PWM modulator for permanent magnet motor drive | — | 2004-11-16 |
| 6777907 | Current ripple reduction by harmonic current regulation | — | 2004-08-17 |
| 6633144 | System and method for measuring parameters of a DC motor field | Sidney Allen Barker | 2003-10-14 |
| 6559654 | Method and system for automatic determination of inductance | Craig W. Moyer, Luis José Garcés Rivera | 2003-05-06 |
| 6552508 | Apparatus and method for optimally controlling flux in an AC motor | Anthony Michael Klodowski | 2003-04-22 |
| 6329776 | Method and apparatus for switching an AC machine between a drive and a power supply | Paul S. Bixel | 2001-12-11 |