Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6710569 | Motor driving device and motor driving method | Yasunori Yamamoto | 2004-03-23 |
| 6674258 | Motor driver and motor drive method | Hirofumi Sakai, Tomoharu Yokouchi, Yasunori Yamamoto, Masashi Inao | 2004-01-06 |