Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11502636 | IPM motor flying start using high frequency injection | Bing Li | 2022-11-15 |
| 10996079 | Encoder offset fine tuning | Bing Li | 2021-05-04 |
| 9774284 | Rotor position estimation apparatus and methods | Jingbo Liu, Thomas A. Nondahl, Peter B. Schmidt, Timothy M. Rowan | 2017-09-26 |
| 9584043 | Inverter phase current reconstruction apparatus and methods | Zhendong Zhang, David Leggate, Timothy M. Rowan, Russel J. Kerkman, Bing Li | 2017-02-28 |
| 8324851 | Method for determining a rotor position in a permanent magnet motor | Thomas J. Rehm | 2012-12-04 |
| 8179065 | Position sensorless control of permanent magnet motor | — | 2012-05-15 |
| 7279865 | Method and apparatus for monitoring motor status using induced motor voltage | — | 2007-10-09 |
| 7187155 | Leakage inductance saturation compensation for a slip control technique of a motor drive | Jerry Thunes | 2007-03-06 |
| 7148635 | Motor drive with synchronized timing | Richard W. Piefer, Thomas J. Rehm | 2006-12-12 |
| 7095209 | Method and apparatus to regulate torque provided to loads | Jerry Thunes, Thomas J. Rehm, Masahiro Tsuyoshi, John Joseph Golownia, Jr. | 2006-08-22 |
| 7034501 | Adjusting gate pulse time intervals for reflected wave mitigation | Jerry Thunes, Russel J. Kerkman | 2006-04-25 |
| 6952089 | Motor drive with voltage-accurate inverter | — | 2005-10-04 |
| 6906491 | Motor control equipment | Satoshi Tanabe, Masazumi Yoshino | 2005-06-14 |
| 4792741 | Control unit for non-circulating current type cycloconverter | Keiu Kawasaki | 1988-12-20 |
| 4758939 | Converting apparatus and commutation control method therefor | Keiu Kawasaki | 1988-07-19 |