Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835445 | Magnetic recording medium | Hiroaki Doushita | 2004-12-28 |
| 6767612 | Magnetic recording medium | Hiroaki Doushita | 2004-07-27 |
| 6749917 | Magnetic recording medium | Hiroshi Hashimoto | 2004-06-15 |
| 6713171 | Magnetic recording medium | Takako Ozawa, Hiroaki Doushita | 2004-03-30 |
| 6713149 | Magnetic recording medium | Hitoshi Noguchi, Shinji Saito | 2004-03-30 |
| 6703106 | Magnetic recording and reproducing method and magnetic recording medium for use in the method | Hitoshi Noguchi, Shinji Saito | 2004-03-09 |
| 6682800 | Magnetic recording medium | Hiroshi Hashimoto, Masahiko Mori | 2004-01-27 |