Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667146 | Optical recording medium and reproducing method therefor | Kenji Nakanishi, Hiroshi Fuji, Kunio Kojima, Hiroyuki Katayama | 2003-12-23 |
| 6638442 | Polycrystalline ferromagnetic metal oxide and method of manufacturing the same | Kenji Nakanishi, Nobuo Tsuchimine | 2003-10-28 |
| 6603619 | Magnetic storage medium and heat assisted recording and reproduction method | Kunio Kojima, Shinzo Sawamura, Hiroyuki Katayama | 2003-08-05 |
| 6593014 | Thermomagnetic recording medium, thermomagnetic recording and reproducing method, and thermomagnetic recording and reproducing device | Kenji Nakanishi, Masaki Hamamoto, Kunio Kojima, Hiroyuki Katayama | 2003-07-15 |
| 6515814 | Device and method for reproducing magnetic signal | Masaki Hamamoto, Junichi Sato, Kunio Kojima | 2003-02-04 |