Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10360930 | Disk device and method of manufacturing disk device | Makoto Asakura, Naoki Tagami | 2019-07-23 |
| 10198188 | Disk drive that efficiently handles random mixed-R/W command-streams | Richard M. Ehrlich, Siri S. Weerasooriya | 2019-02-05 |
| 10192570 | Magnetic disk device and write method | Takayuki Kawabe | 2019-01-29 |
| 10163458 | Magnetic disk device and write method | — | 2018-12-25 |
| 10008227 | Magnetic disk apparatus | Daisuke Sudo | 2018-06-26 |
| 9959898 | Magnetic disk device, controller, and seeking method | Shihpo Hsu | 2018-05-01 |
| 9947352 | Magnetic disk apparatus | Daisuke Sudo | 2018-04-17 |
| 9824707 | Disk apparatus, driver circuit, and control method | Takayuki Kawabe, Takuji Matsuzawa | 2017-11-21 |
| 9728215 | Magnetic disk apparatus and data recording method | Masahiro Kanamaru, Kazuto Kashiwagi | 2017-08-08 |
| 9240198 | Magnetic disk drive and write control method | — | 2016-01-19 |
| 9064526 | Magnetic disk apparatus and off-track detection method | Takayuki Kawabe | 2015-06-23 |
| 8982505 | Method for generating address data and disk storage apparatus | Takayuki Kawabe | 2015-03-17 |
| 8902540 | Disk storage apparatus and method for servo controlling | Takuji Matsuzawa, Makoto Asakura, Takayuki Kawabe | 2014-12-02 |
| 8896959 | Magnetic disk apparatus and data recording method | Kazuto Kashiwagi, Takayuki Kawabe, Masahiro Kanamaru, Takuji Matsuzawa | 2014-11-25 |
| 8896952 | Disk storage apparatus and method for servo controlling | Takayuki Kawabe, Makoto Asakura, Takuji Matsuzawa | 2014-11-25 |
| 8885284 | Information write apparatus and information write method | Kazuto Kashiwagi, Takayuki Kawabe | 2014-11-11 |
| 8755137 | Disk drive and method for arranging and managing calibration area in disk drive | Kazuto Kashiwagi | 2014-06-17 |
| 7515377 | Storage apparatus and control method for detecting vibration produced during seeking | Kei Funabashi, Tomoyoshi Yamada | 2009-04-07 |
| 7385779 | Disk device with bi-directional communication function | Kei Funabashi, Tomoyoshi Yamada | 2008-06-10 |
| 7164261 | Resonance-frequency measuring method determining a resonance frequency by counting the number of off-track occurrences | Shuichi Hashimoto, Ryuki Kubohara, Tatsuhiko Kosugi, Yoshiyuki Kagami | 2007-01-16 |
| 7136245 | Disk device | Kazunori Mori, Isamu Tomita, Yoshiyuki Kagami, Kouhei Takamatsu | 2006-11-14 |
| 6989956 | Head position control method, disk device, and servo track write method | Kazuhiko Takaishi | 2006-01-24 |
| 6943970 | Position demodulating method and circuit of disk apparatus | Kazuhiko Takaishi, Eiji Okamura | 2005-09-13 |
| 6774615 | Resonance-frequency measuring method determining a resonance frequency by counting the number of off-track occurrences | Susumu Yoshida, Shuichi Hashimoto, Ryuki Kubohara, Tatsuhiko Kosugi, Yoshiyuki Kagami | 2004-08-10 |
| 6738230 | Method and apparatus for positioning a magnetic head using a dual-stage actuator in an information recording and/or playback device | — | 2004-05-18 |