Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830824 | Magnetic recording medium with multiple magnetic layers capable of being exchange coupled at elevated temperatures and magnetic recording apparatus | Akira Kikitsu, Junichi Akiyama, Katsutaro Ichihara, Toshihiko Nagase, Tomoyuki Maeda | 2004-12-14 |
| 6795380 | Optically-assisted magnetic recording head and optically-assisted magnetic recording apparatus | Junichi Akiyama, Akira Kikitsu, Toshihiko Nagase, Tomoyuki Maeda | 2004-09-21 |