Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6459220 | Spindle-motor control method, spindle-motor control device, spindle-motor drive circuit and disk device | Hiroshi Kumita, Shigenori Yanagi, Tomoki Yokoyama | 2002-10-01 |