Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8098448 | Method for setting zone format of a disk for storing data and disk drive | Yoshihiko Maeda, Masaomi Ikeda, Toshihiko Tsunokawa, Akira Osaki | 2012-01-17 |
| 8068299 | Disk drive device and data rewrite method thereof | Toshihiko Tsunokawa, Masutaka Harada, Yuhji Yokoe, Takao Matsui | 2011-11-29 |
| 7852594 | Device and method for specifying control value for controlling clearance between head and disk, and magnetic disk drive device | Yoshihiko Maeda, Takao Matsui, Kenichi Kuramoto, Akihiro Sera | 2010-12-14 |
| 7483230 | Write-current control chip and magnetic disk drive using the same | — | 2009-01-27 |
| 7177979 | Method for preventing data loss due to repeated writes to a given track on a magnetic disk drive | — | 2007-02-13 |
| 6927931 | Magnetic disk drive and method of controlling the same | Hiroshi Harata, Atsuo Suga, Yuji Suzuki | 2005-08-09 |
| 6920599 | Storage device and error correction method thereof | — | 2005-07-19 |