Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826131 | Magneto-optical recording medium having multiple magnetic layers | Motoyoshi Murakami | 2004-11-30 |
| 6747919 | Magneto-optical recording medium, and method and apparatus for producing the same | Motoyoshi Murakami, Masahiro Birukawa, Tsutomu Shiratori, Yasuyuki Miyaoka | 2004-06-08 |