Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6914866 | Optical information recording medium and information recording method and apparatus using the recording medium | Shinya Narumi, Kazunori Ito, Hajime Yuzurihara, Nobuaki Onagi | 2005-07-05 |
| 6886177 | Phase-change type optical information recording medium | Masaki Katoh, Yuki Nakamura | 2005-04-26 |