Issued Patents 2004
Showing 1–3 of 3 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, Tadashi Kai, Toshihiko Nagase | 2004-12-14 |
| 6795380 | Optically-assisted magnetic recording head and optically-assisted magnetic recording apparatus | Junichi Akiyama, Akira Kikitsu, Tadashi Kai, Toshihiko Nagase | 2004-09-21 |
| 6777078 | Magnetic recording medium with L10 crystal grains including three or more elements | Akira Kikitsu, Toshihiko Nagase, Junichi Akiyama | 2004-08-17 |