Issued Patents All Time
Showing 1–25 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12094505 | Magnetic disk device and reference pattern writing method of the same preliminary class | Hiroshi Tani | 2024-09-17 |
| 10115422 | Hard disk drive, manufacturing method of the same, and servo data writing method | Shinsuke Akiya, Hideo Sado | 2018-10-30 |
| 9905257 | Hard disk drive, manufacturing method of the same, and servo data writing method | Shinsuke Akiya, Hideo Sado | 2018-02-27 |
| 9837114 | Disk device and method for manufacturing disk device | — | 2017-12-05 |
| 9466328 | Contact-detecting method, manufacturing method of disk drive, and disk drive | Shinsuke Akiya | 2016-10-11 |
| 8817416 | Magnetic disk device and method of controlling magnetic heads | Masafumi Iwashiro | 2014-08-26 |
| 8773808 | Magnetic disk device and head-position control method | Masafumi Iwashiro, Takao Abe, Hiroshi Kubota | 2014-07-08 |
| 8625230 | Position demodulator and position demodulation method | Tatsuhiko Kosugi, Takeshi Hara, Hiroshi Oyabu | 2014-01-07 |
| 8553345 | Position demodulation apparatus and position demodulation method | Hiroshi Oyabu, Tatsuhiko Kosugi | 2013-10-08 |
| 8520334 | Disk storage device, controller of the same, controlling method performed by the same, and electronic device | — | 2013-08-27 |
| 8514512 | Disk storage device, controller of the same, controlling method performed by the same, and electronic device | — | 2013-08-20 |
| 8068307 | Position control apparatus and disk apparatus using the same | — | 2011-11-29 |
| 8049987 | Position control apparatus and disk apparatus using the same | — | 2011-11-01 |
| 8023222 | Information storage device and computer product | Takeshi Hara | 2011-09-20 |
| 8009382 | Position control apparatus and disk apparatus using the same | — | 2011-08-30 |
| 7953502 | Position control method, position control device, and medium storage device having disturbance suppression function | — | 2011-05-31 |
| 7948698 | Pattern transfer apparatus and pattern transfer method | Masanori Fukushi | 2011-05-24 |
| 7869156 | Method of creating correction table for head position control, head position control method, and disk device | — | 2011-01-11 |
| 7826168 | Method of creating correction table for head position control, head position control method, and disk device | — | 2010-11-02 |
| 7787200 | Disk-device correcting system, information managing device, master-disk producing device, and master-disk producing method | Hiroyuki Suzuki, Tomoyoshi Yamada, Masanori Fukushi, Tsugito Maruyama, Sumio Kuroda | 2010-08-31 |
| 7724467 | Storage device, control circuit for storage device, and servo-write-mode identifying method | Satoshi Yamashita | 2010-05-25 |
| 7684142 | Disk device, positioning control circuit and information processing apparatus using same | — | 2010-03-23 |
| 7609474 | Seek control method, seek control device and disk device | — | 2009-10-27 |
| 7605998 | Settling judgment method for positioning control device, positioning control device and disk apparatus | — | 2009-10-20 |
| 7570452 | Two degree of freedom position control method, two degree of freedom position control device, and medium storage device | — | 2009-08-04 |