Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6636460 | Thermally-assisted magnetic recording method and thermally-assisted magnetic recorder | Junichi Akiyama, Katsutaro Ichihara | 2003-10-21 |
| 6602620 | Magnetic recording apparatus, magnetic recording medium and manufacturing method thereof | Katsutaro Ichihara | 2003-08-05 |