Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6656559 | Optical recording medium and optical recording method therefor | Tetsuro Mizushima | 2003-12-02 |
| 6603733 | Optical information medium | Takuya Tsukagoshi | 2003-08-05 |
| 6576319 | Optical information medium and making method | Takuya Tsukagoshi, Tsuyoshi Komaki | 2003-06-10 |
| 6560182 | Optical recording method | Mori Nagayama, Hiroyasu Inoue | 2003-05-06 |
| 6540397 | Optical information storage medium | Takuya Tsukagoshi, Hideki Hirata, Naoki Hayashida, Tokuyuki Honda, Mark McDonald +6 more | 2003-04-01 |