Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11393500 | Magnetic disk device and track setting method | Bunpei Ishiguro, Kazuhito Shimomura | 2022-07-19 |
| 10777227 | Magnetic disk device and control method | Kazuhito Shimomura | 2020-09-15 |
| 10770095 | Recording density setting method based on linear recording densit and track pitch limiting | — | 2020-09-08 |
| 10460761 | Defect registration method | — | 2019-10-29 |
| 10121505 | Hard disk device and method of controlling the same | — | 2018-11-06 |
| 9728215 | Magnetic disk apparatus and data recording method | Masahiro Kanamaru, Takeyori Hara | 2017-08-08 |
| 9171558 | Magnetic head with multiple reproducing elements each having magnetically coupled free layers, magnetic recording reproducing apparatus and magnetic head manufacturing method | Akihiko Takeo, Kenichiro Yamada, Katsuhiko Koui, Tomomi Funayama | 2015-10-27 |
| 9105277 | Controller, disk drive, and read processing method | Kohsuke Harada, Akihiro Yamazaki, Nobuhiro Maeto, Naoki Tagami, Masahiro Kanamaru +1 more | 2015-08-11 |
| 8988814 | Storage device, controller, and recording and reproducing method | Kohsuke Harada, Akihiro Yamazaki, Nobuhiro Maeto, Tomokazu Okubo, Naoki Tagami | 2015-03-24 |
| 8896959 | Magnetic disk apparatus and data recording method | Takeyori Hara, Takayuki Kawabe, Masahiro Kanamaru, Takuji Matsuzawa | 2014-11-25 |
| 8885284 | Information write apparatus and information write method | Takeyori Hara, Takayuki Kawabe | 2014-11-11 |
| 8842392 | Magnetic recording medium and magnetic recording apparatus | Makoto Asakura, Haruhiko Izumi, Masatoshi Sakurai | 2014-09-23 |
| 8815336 | Magnetic recording medium manufacturing method | Kaori Kimura, Masatoshi Sakurai, Akihiko Takeo | 2014-08-26 |
| 8786971 | Magnetic recording apparatus having variable-width tracks and method of testing same | Masatoshi Sakurai, Naoki Tagami | 2014-07-22 |
| 8780472 | Information reproducing apparatus and information reproducing method for cancelling interference between adjacent tracks | Tomokazu Okubo, Akihiro Yamazaki, Naoki Tagami | 2014-07-15 |
| 8773797 | Information recording apparatus and information writing method | Naoki Tagami, Takayuki Kawabe | 2014-07-08 |
| 8755137 | Disk drive and method for arranging and managing calibration area in disk drive | Takeyori Hara | 2014-06-17 |
| 8699163 | Magnetic disk drive and data buffering method applied to the same | Takayuki Kawabe | 2014-04-15 |
| 8643970 | Magnetic recording apparatus and recording method of magnetic recording apparatus | Naoki Tagami, Akihiro Itakura, Haruhiko Izumi, Masatoshi Sakurai | 2014-02-04 |
| 8298690 | Magnetic recording medium, method and apparatus for manufacturing magnetic recording apparatus | Hiroyuki Hieda, Akira Kikitsu, Yousuke Isowaki, Yoshiyuki Kamata | 2012-10-30 |
| 8289645 | Magnetic disk apparatus | Masatoshi Sakurai, Akira Kikitsu | 2012-10-16 |
| 8116022 | Magnetic recording apparatus, magnetic recording medium, and method of testing magnetic recording apparatus | Masatoshi Sakurai | 2012-02-14 |
| 8102616 | Magnetic recording medium, method of fabricating the same, and magnetic recording apparatus | Masatoshi Sakurai, Akira Kikitsu | 2012-01-24 |
| 7894155 | Magnetic recording medium, method of fabricating the same, and magnetic recording apparatus | Masatoshi Sakurai, Akira Kikitsu | 2011-02-22 |
| 7848046 | Magnetic disk apparatus | Masatoshi Sakurai, Akira Kikitsu | 2010-12-07 |