Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821642 | Magneto-optical recording medium with first and second magnetic layers with almost equal Curie temperatures | — | 2004-11-23 |
| 6770387 | Magneto-optical recording medium and method of reproducing the same | Tsutomu Tanaka, Motonobu Mihara | 2004-08-03 |