Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12431161 | Data storage device with track pitch determination for mitigating effects of servo pattern distortion | Hideki Zaitsu, So Ogiwara, Kei Yasuna, Shuji Nishida | 2025-09-30 |
| 7580221 | Magnetic disk drive with compensation against disturbance | Masahiko Sega, Takashi Kouno, Toshihiro Arisaka | 2009-08-25 |
| 7319567 | Servo sector in magnetic disk drive | Kiyotada Itou | 2008-01-15 |
| 7173790 | Magnetic disk apparatus with dual stage actuator | Masahito Kobayashi, Shinsuke Nakagawa, Hidehiko Numasato | 2007-02-06 |
| 6909575 | Magnetic disk drive and control method thereof | Yuji Hata, Katsumoto Onoyama | 2005-06-21 |
| 6153997 | Disk apparatus and method of controlling disk apparatus | Masahito Kobayashi, Iwao Oshimi, Akio Shioya, Yuji Hata | 2000-11-28 |