Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822298 | Large current capacity semiconductor device | Toshiyuki Ohkoda, Takao Myono | 2004-11-23 |
| 6788024 | Position-sensorless motor control method and apparatus | Ryoso Masaki, Takefumi Sawada | 2004-09-07 |
| 6700343 | Motor controller | Ryoso Masaki, Yoshimi Sakurai | 2004-03-02 |
| 6696812 | Control apparatus for electric motor | Ryoso Masaki, Yasuo Morooka, Mitsuyuki Hombu, Hiroshi Katayama | 2004-02-24 |