Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8125729 | Disk drive and error-recovery processing method | Hideki Ohzeki, Kazuyuki Ishibashi | 2012-02-28 |
| 8111476 | Disk drive spin control | Yukiko Arizono, Kazuyuki Ishibashi | 2012-02-07 |
| 7808737 | Magnetic disk drive | Minoru Tsukada, Soichi Isono, Tomoki Oura, Koji Takahashi | 2010-10-05 |
| 7486461 | Magnetic disk device and read/write method | Soichi Isono, Tomoki Ooura, Minoru Tsukada | 2009-02-03 |
| 7375917 | Idle seek calibration method for magnetic disk drive and magnetic disk drive with an intermission calibration | Tsuyoshi Arai, Toshiyuki Kikuta, Takao Horiguchi, Shinji Matsushita | 2008-05-20 |
| 7133242 | Magnetic disk drive and magnetic disk drive control | Sadahiro Nishida, Osamu Beppu, Shinji Matsushita, Hidefumi Tominaga | 2006-11-07 |
| 6950264 | Disk drive system for controlling seek operations | Takao Horiguchi, Tatsuya Ito, Takao Araki, Shinji Matsushita | 2005-09-27 |
| 6920007 | Load/unload method and a magnetic disk drive using the method | Hidefumi Tominaga, Tsuyoshi Arai, Takao Horiguchi, Toshiyuki Kikuta | 2005-07-19 |
| 6510014 | Disturbance detection circuit, memory device thereof, and disturbance detection method | Toshiyuki Kikuta, Takao Horiguchi, Tsuyoshi Arai, Shinji Matsushita | 2003-01-21 |
| 6407876 | Magnetic disk apparatus having an accelerometer for detecting acceleration in the positioning direction of the magnetic head | Takashi Yamaguchi, Katsuhiro Tsuneta, Katsumoto Onoyama, Tsuyoshi Arai, Hidehiko Numasato +2 more | 2002-06-18 |
| 6335845 | Magnetic disk apparatus having an accelerometer for detecting acceleration in the positioning direction of the magnetic head | Takashi Yamaguchi, Katsuhiro Tsuneta, Katsumoto Onoyama, Tsuyoshi Arai, Hidehiko Numasato +2 more | 2002-01-01 |
| 5986845 | Apparatus for positioning magnetic head and method of the same | Takashi Yamaguchi, Katsuhiro Tsuneta, Katsumoto Onoyama, Tsuyoshi Arai, Hidehiko Numasato +2 more | 1999-11-16 |