Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12322423 | Disk device | — | 2025-06-03 |
| 12073855 | Magnetic disk device and control method | — | 2024-08-27 |
| 12046264 | Magnetic disk device | — | 2024-07-23 |
| 11862197 | Magnetic disk device | — | 2024-01-02 |
| 11756580 | Magnetic disk device, control method, and non-transitory computer-readable storage medium | Sho Suzuki, Takayuki Kawabe, Takeyori Hara | 2023-09-12 |
| 11557312 | Magnetic disk device and head change processing method | Takeyori Hara | 2023-01-17 |
| 11557313 | Magnetic disk device and method of stopping write operation | — | 2023-01-17 |
| 11507315 | Magnetic disk device and method of reordering process | — | 2022-11-22 |
| 11335366 | Magnetic disk device and read processing method | Takayuki Kawabe | 2022-05-17 |
| 11011199 | Magnetic disk device and control method of servo write | Takeyori Hara | 2021-05-18 |
| 10997999 | Information processing apparatus with switching circuit on power supply for disk device | Hiroshi Isokawa | 2021-05-04 |
| 10964344 | Magnetic disk device having two regions of different thicknesses | Tatsurou Sasamoto, Takeyori Hara, Akihiko Takeo, Kazuo Chokki, Tatsuo Nitta | 2021-03-30 |
| 10734022 | Magnetic disk device and actuator control method | — | 2020-08-04 |
| 10650858 | Switching circuit on power supply for magnetic disk recording device | Hiroshi Isokawa | 2020-05-12 |
| 10600437 | Magnetic head having difference skew angles at different regions on magnetic recording disk | Tatsurou Sasamoto, Takeyori Hara, Akihiko Takeo, Kazuo Chokki, Tatsuo Nitta | 2020-03-24 |
| 10453486 | Magnetic disk device and actuator control method | — | 2019-10-22 |
| 10008227 | Magnetic disk apparatus | Takeyori Hara | 2018-06-26 |
| 9947352 | Magnetic disk apparatus | Takeyori Hara | 2018-04-17 |
| 9460743 | Servo writing method, magnetic disk apparatus and head position control method | — | 2016-10-04 |
| 9230584 | Position demodulation apparatus and position demodulation method | Tatsuhiko Kosugi, Takuya Ogawa, Hideki Hironaka | 2016-01-05 |
| 8867162 | Magnetic disk device and demodulation position correcting method | — | 2014-10-21 |
| 8824093 | Head position detecting method and magnetic disk device | — | 2014-09-02 |
| 8564898 | Magnetic disk drive and control method | — | 2013-10-22 |
| 8295004 | Method and apparatus for measuring disk runout in a disk drive | — | 2012-10-23 |
| 7746593 | Method and apparatus for determining offset between read head and write head in a disk drive | — | 2010-06-29 |