Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9177582 | Magnetic disk apparatus and off-tracking detection method | Masahide Kanegae | 2015-11-03 |
| 9064526 | Magnetic disk apparatus and off-track detection method | Takeyori Hara | 2015-06-23 |
| 8982505 | Method for generating address data and disk storage apparatus | Takeyori Hara | 2015-03-17 |
| 8947818 | Disk storage apparatus and data protection method | Tatsuo Nitta | 2015-02-03 |
| 8902540 | Disk storage apparatus and method for servo controlling | Takuji Matsuzawa, Takeyori Hara, Makoto Asakura | 2014-12-02 |
| 8896959 | Magnetic disk apparatus and data recording method | Kazuto Kashiwagi, Takeyori Hara, Masahiro Kanamaru, Takuji Matsuzawa | 2014-11-25 |
| 8896952 | Disk storage apparatus and method for servo controlling | Makoto Asakura, Takuji Matsuzawa, Takeyori Hara | 2014-11-25 |
| 8885284 | Information write apparatus and information write method | Kazuto Kashiwagi, Takeyori Hara | 2014-11-11 |
| 8773797 | Information recording apparatus and information writing method | Naoki Tagami, Kazuto Kashiwagi | 2014-07-08 |
| 8699163 | Magnetic disk drive and data buffering method applied to the same | Kazuto Kashiwagi | 2014-04-15 |
| 8611037 | Magnetic disk drive and method for servo burst data correction | Makoto Asakura | 2013-12-17 |
| 8587889 | Disk storage apparatus, disk control apparatus and write control method | — | 2013-11-19 |
| 8300350 | Magnetic disk drive using offset in positioning head to read data and head positioning method | — | 2012-10-30 |
| 8296512 | Recording method for a disk device having recording regions different in recording density | Toru Yokohata, Hitoshi Komoriya | 2012-10-23 |
| 7920348 | Magnetic storage medium and magnetic recording device | — | 2011-04-05 |
| 7889451 | Magnetic recording apparatus and clock signal generating method | — | 2011-02-15 |
| 7782724 | Information reproducing apparatus and method for measuring surface deflection | — | 2010-08-24 |
| 7729078 | Information storage device | — | 2010-06-01 |
| 7706100 | Storage apparatus, storage control circuit, and head-position-displacement measuring method | — | 2010-04-27 |
| 7483235 | Position detecting circuit, information recording apparatus, and magnetic disk device | — | 2009-01-27 |
| 7453664 | Positioning control circuit, measurement apparatus for trace information and related method | — | 2008-11-18 |
| 7307928 | Optical storage device, optical device and servo controlling method therefor having first and second focus error signal detectors with different detection ranges and target trajectory generator | — | 2007-12-11 |
| 7257069 | Optical storage device and optical device | — | 2007-08-14 |
| 7233549 | Storage apparatus and its focus control method | — | 2007-06-19 |
| 7110331 | Information storage device | Ichiro Watanabe | 2006-09-19 |