Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623190 | Method and apparatus for controlling an AC motor and detecting malfunctions | Hirokazu Tajima | 1997-04-22 |
| 5608302 | Apparatus for driving an AC motor at variable speeds | — | 1997-03-04 |