Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826129 | Method and apparatus for recording magnetized mark utilizing magnetic field generated by adjacent magnetized mark to reduce energy level for generating pulsed magnetic field | — | 2004-11-30 |
| 6801479 | Method for recording plural rows of record marks in one track in magneto-optical recording device | Akiyoshi Uchida, Masakazu Taguchi | 2004-10-05 |
| 6765860 | Optical disc and optical drive | Minoru Tobita, Shigemi Maeda, Toshiaki Hioki | 2004-07-20 |
| 6757225 | Method of performing data-recording or data-reading with optical storage medium | — | 2004-06-29 |