Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9230584 | Position demodulation apparatus and position demodulation method | Takuya Ogawa, Daisuke Sudo, Hideki Hironaka | 2016-01-05 |
| 9019652 | Head position demodulating method and magnetic disk device | Kazunori Mori, Hiroshi Ooyabu | 2015-04-28 |
| 8625230 | Position demodulator and position demodulation method | Kazuhiko Takaishi, Takeshi Hara, Hiroshi Oyabu | 2014-01-07 |
| 8553345 | Position demodulation apparatus and position demodulation method | Hiroshi Oyabu, Kazuhiko Takaishi | 2013-10-08 |
| 8446685 | Servo frame interval correction apparatus, storage apparatus and servo frame interval correction method | — | 2013-05-21 |
| 8023219 | Storage device, head position detection method and control circuit | — | 2011-09-20 |
| 7742253 | Storage device and control device | — | 2010-06-22 |
| 7508610 | Method and apparatus for recording servo frame, storage disk, and method and apparatus for obtaining servo frame information | Yoshiyuki Kagami | 2009-03-24 |
| 7463438 | Information storage apparatus, and control method and program for the same | Masahide Kanegae | 2008-12-09 |
| 7196865 | Recording apparatus having discoid record mediums | Kazunori Mori, Isamu Tomita, Yoshiyuki Kagami | 2007-03-27 |
| 7164261 | Resonance-frequency measuring method determining a resonance frequency by counting the number of off-track occurrences | Shuichi Hashimoto, Ryuki Kubohara, Takeyori Hara, Yoshiyuki Kagami | 2007-01-16 |
| 7110213 | Positioner for positioning head on a disk | Tomoaki Saito | 2006-09-19 |
| 7050250 | Storage apparatus and storage medium | Isamu Tomita, Kazunori Mori, Yoshiyuki Kagami, Ryuki Kubohara | 2006-05-23 |
| 6774615 | Resonance-frequency measuring method determining a resonance frequency by counting the number of off-track occurrences | Susumu Yoshida, Shuichi Hashimoto, Ryuki Kubohara, Takeyori Hara, Yoshiyuki Kagami | 2004-08-10 |
| 6556368 | Disk apparatus and control method therefor | Kazunori Mori | 2003-04-29 |
| 6535348 | Servo control method and information storage device | Yoshiyuki Kagami | 2003-03-18 |
| 6498695 | Method of detecting position on disk, disk unit and disk | — | 2002-12-24 |
| 6466394 | Storage device and method of detecting a position of a head on a disk of the storage device | Tomoaki Saito | 2002-10-15 |
| 6262861 | Method of detecting position on disk, disk unit and disk | — | 2001-07-17 |
| 6239940 | Disk device and disk device calibrating method | Tatsuro Sasamoto, Kazunori Mori, Susumu Yoshida | 2001-05-29 |
| 5757576 | Disk apparatus, and phase demodulating device and method for a disk apparatus | — | 1998-05-26 |
| 5694265 | Disk apparatus for detecting position of head by reading phase servo pattern | Susumu Yoshida, Makoto Chiba, Syuichi Hashimoto, Masahide Kanegae | 1997-12-02 |
| 5675446 | Method of controlling magnetic disk unit based on version data | Masahide Kanegae, Nobuyuki Suzuki | 1997-10-07 |
| 5606469 | Method for correcting offset in a magnetic disk including apparent offtrack cancellation | Nobuyuki Suzuki | 1997-02-25 |
| 5592353 | Power supply system | Toru Shinohara | 1997-01-07 |