Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6844647 | Permanent magnet motor having flux density characteristics that are internally variable | — | 2005-01-18 |
| 6548977 | Motor tracking control system | Hung D. Vu | 2003-04-15 |
| 5444368 | Differential reactance permanent magnet position transducer | — | 1995-08-22 |
| 5329195 | Sensor motor | Hung D. Vu | 1994-07-12 |
| 4827164 | Magnetically assisted stepping motor | — | 1989-05-02 |
| 4712028 | Magnetically assisted stepping motor | — | 1987-12-08 |
| 4687961 | Polyphase DC motor with sensor poles | — | 1987-08-18 |