Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6404162 | Variable-speed controlling device for use with an induction motor | Hirokazu Tajima, Shinichi Ishii | 2002-06-11 |
| 6377018 | Speed sensorless vector control apparatus | Hirokazu Tajima | 2002-04-23 |