Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6459220 | Spindle-motor control method, spindle-motor control device, spindle-motor drive circuit and disk device | Hideshi Mochizuki, Shigenori Yanagi, Tomoki Yokoyama | 2002-10-01 |
| 6356515 | High power controlling system for magneto-optical storage system | Shigenori Yanagi, Yoshiyuki Nanba | 2002-03-12 |