Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631109 | Optical recording method and apparatus, and optical storage medium | — | 2003-10-07 |
| 6592958 | Optical recording medium and sputtering target for fabricating the recording medium | Masaki Kato | 2003-07-15 |
| 6580672 | Method and apparatus for initializing optical recording media | Kyohji Hattori, Kenichi Aihara, Katsuyuki Yamada, Fumiya Ohmi, Eiji Noda +2 more | 2003-06-17 |