Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7986594 | Optical pickup | Masaki Murayama | 2011-07-26 |
| 7925828 | Magnetic disk drive refreshing data written to disk and data refreshment method applied to magnetic disk drive | Yasuhiko Ichikawa | 2011-04-12 |
| 7870460 | Magnetic disk drive capable of refreshing data written to disk and data refresh method | Taro Iketaki, Akio Mizuno, Yasuhiko Ichikawa | 2011-01-11 |