Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6603619 | Magnetic storage medium and heat assisted recording and reproduction method | Kunio Kojima, Yasushi Ogimoto, Hiroyuki Katayama | 2003-08-05 |
| 6500530 | Magnetic recording medium | Hiroyuki Katayama | 2002-12-31 |
| 6483653 | Magnetic recording medium and magnetic reproducing method | Hiroyuki Katayama | 2002-11-19 |
| 6400654 | Magneto-optical recording and reproducing device capable of suppressing cross talk | Hiroyuki Katayama | 2002-06-04 |
| 6367924 | Thermally assisted magnetic recording medium | Junichi Sato, Yasushi Ogimoto, Kunio Kojima, Masaki Hamamoto, Hiroyuki Katayama | 2002-04-09 |
| 6333827 | Magnetic signal reproducing device, magnetic signal reproducing method and magnetic recording medium for high density reproduction | Masaki Hamamoto, Kunio Kojima, Hiroyuki Katayama, Junichi Sato | 2001-12-25 |