Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8194344 | Position gain calibration in disk drives | — | 2012-06-05 |
| 8045287 | Self-servo-write method with repeatable runout compensation | Kiyotada Ito | 2011-10-25 |
| 8023221 | Position gain calibration in disk drives | — | 2011-09-20 |
| 8018670 | Evaluation apparatus | Kiyotada Ito | 2011-09-13 |
| 7835107 | Self-servo-write method with repeatable runout compensation | Kiyotada Ito | 2010-11-16 |
| 7116509 | Magnetic disk apparatus and servo signal recording method | Kei Yasuna, Yohichi Kusagaya, Takashi Yamaguchi, Kenichiro Sugiyama | 2006-10-03 |
| 7085084 | Magnetic disk apparatus and servo pattern recording method therefor | Kei Yasuna, Naoki Satoh | 2006-08-01 |
| 6947244 | Servo pattern writing method and apparatus thereof | Hiroshi Kawaguchi, Shizuo Yamazaki, Katsumi Watanabe, Kenji Tomida, Youichi Kusagaya | 2005-09-20 |
| 6898047 | Magnetic disk drive for compensating repeatable runout error | Kazuhisa Shishida, Yosuke Seo, Takahiro Inoue, Youichi Kusagaya | 2005-05-24 |