Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6777906 | Method of controlling induction motor | Yoshihiko Kinpara, Hisao Sakurai | 2004-08-17 |
| 6747884 | Power converter device | Yuji Nishizawa, Akira Hatai | 2004-06-08 |
| 6736018 | Machine constant estimation device | — | 2004-05-18 |