Issued Patents All Time
Showing 1–5 of 5 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 |
| 6118743 | Information storage apparatus rapidly returning from a sleep mode to a regular operation mode and a method for controlling a spindle motor in such an apparatus | — | 2000-09-12 |
| 5930221 | Optical storage device made thinner by substituting electrical means for capabilities of sensors | — | 1999-07-27 |
| 5894204 | Spindle motor control method and disk unit | — | 1999-04-13 |