Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6903528 | Machine model estimating device of electric motor control apparatus | — | 2005-06-07 |
| 6903530 | Electric motor controller resonance frequency detection apparatus | Toyoshi Onitsuka, Kazuhiro Hamasuna | 2005-06-07 |