Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5994866 | Motor controller and disk drive unit | Kenji Toga, Hiroshi Uchiike | 1999-11-30 |
| 5923491 | Disk drive servo control system with selectable filtering for reduction of repeatable runout | Nobuyuki Kitazaki, Takashi Nakamura, Yuji Yokoe, Isao Yoneda | 1999-07-13 |
| 5859743 | Method and apparatus for fast positioning a head of a recording device | — | 1999-01-12 |
| 5822147 | Position control apparatus and method with a digital filter and a phase change filter section in a disk storage device | — | 1998-10-13 |
| 5812339 | Method and apparatus for controlling the position of an object along a radial direction of a rotating body | — | 1998-09-22 |
| 5805374 | Method and apparatus for fast positioning a head of a recording device | — | 1998-09-08 |
| 5726823 | Method of detecting positioning of a magnetic head, and a magnetic disk device | Isao Yoneda | 1998-03-10 |
| 5637970 | Motor speed control apparatus and motor speed control method | Hiroshi Uchiike | 1997-06-10 |
| 5608588 | Method for controlling digital closed servo loop system and disk storage apparatus using the system | — | 1997-03-04 |
| 5561568 | Method and apparatus for fast positioning a head of a recording device | — | 1996-10-01 |
| 5404254 | Method and apparatus for controlling head position | — | 1995-04-04 |