Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6759780 | Fractional-slot winding motor | Buyun Liu, Tomy Sebastian | 2004-07-06 |
| 6713921 | Permanent magnet structure for brushless motor and power assist actuator using the same | Tomy Sebastian, Buyun Liu, Mark F. Fleer | 2004-03-30 |
| 6437526 | Commutation system for torque ripple minimization | Benoit Derouane, Tomy Sebastian, Buyun Liu | 2002-08-20 |
| 6380658 | Method and apparatus for torque ripple reduction in sinusoidally excited brushless permanent magnet motors | Tomy Sebastian, Buyun Liu, Scott R. Berggren | 2002-04-30 |