Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6870801 | Track servo control method, track servo controller and optical storage device | Shigenori Yanagi, Tomonori Yamashita | 2005-03-22 |
| 6847598 | Servo with digital filter to control gain in a frequency band where open loop characteristic is higher than the phase cross-over frequency and lower than resonance frequency | — | 2005-01-25 |
| 6839307 | Apparatus for recording information and method for retracting the head | — | 2005-01-04 |