Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7539121 | Optical recording medium and process for producing the same | Morio Tomiyama, Shinya Abe, Eiji Ohno | 2009-05-26 |
| 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 |