Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8084113 | Multi-layered phase-change optical recording medium | Hiroyoshi Sekiguchi, Masaru Shinkai, Masaki Kato | 2011-12-27 |
| 8034426 | Two-layered optical recording medium | Masaru Shinkai, Hiroyoshi Sekiguchi, Masaki Kato | 2011-10-11 |
| 8000198 | Phase-change type optical recording medium and reproduction method and apparatus for such a recording medium | Masaru Shinkai, Hiroyoshi Sekiguchi, Eiko Hibino, Masaki Kato, Katsuyuki Yamada +1 more | 2011-08-16 |
| 7920454 | Optical recording medium, and method and apparatus for optical recording and reproducing thereof | Hiroyuki Iwasa, Masaru Shinkai | 2011-04-05 |
| 7894315 | Optical disk, recording method, recording medium, and optical disk unit, for recording information on multilayer optical disk | Masaki Kato, Katsuyuki Yamada, Kazunori Ito, Eiko Hibino, Masaru Shinkai +1 more | 2011-02-22 |