Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11676629 | Sampled-data polydyne feedforward position control | — | 2023-06-13 |
| 11646060 | Polydyne acceleration trajectory control | — | 2023-05-09 |
| 11574649 | Vibration sensor feedforward control for magnetic storage device | Kazuhide Ichikawa | 2023-02-07 |
| 10388327 | Fan noise attenuation at hard disk drive in rack-mount | Miki Namihisa, Kazuhide Ichikawa, Yohei Asai | 2019-08-20 |
| 10019043 | Hard disk drive with a vibration isolation frame | Kenji Tomida, Toshihisa Okazaki | 2018-07-10 |
| 8922942 | Magnetic disk apparatus | Shigeo Nakamura | 2014-12-30 |
| 8630066 | Hard disk drive including a micromotion actuator and a damping unit | — | 2014-01-14 |
| 8077429 | Magnetic disk vibration-suppressing mechanism having shroud-narrowing gap | — | 2011-12-13 |
| 7576944 | Shielding function for magnetic head in magnetic disk device | Toshihiko Shimizu, Mikio Tokuyama | 2009-08-18 |
| 7525759 | Magnetic disk device with improved shielding | Masayuki Kurita, Toshihiko Shimizu, Mikio Tokuyama | 2009-04-28 |
| 7520674 | Magnetic disk device with rotor supported by fluid bearing | Teruhiro Nakamiya, Takashi Kouno, Hitoshi Shindo | 2009-04-21 |
| 7468861 | Magnetic disk apparatus with shield for magnetic head | Toshihiko Shimizu, Toshiya Shiramatsu, Mikio Tokuyama | 2008-12-23 |
| 6894866 | Recording apparatus having improved anti-vibration arrangements | Noriyo Nishijima, Takashi Kouno, Isao Kobayashi, Hideki Izumida | 2005-05-17 |