Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7986489 | Disk controller, disk drive device, and disk control method | Takanori Sumi, Yasuhiko Ichikawa | 2011-07-26 |
| 7870460 | Magnetic disk drive capable of refreshing data written to disk and data refresh method | Taro Iketaki, Yasuhiko Ichikawa, Takao Aoki | 2011-01-11 |