Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6600717 | Optical information medium | Hideki Hirata, Tsuyoshi Komaki | 2003-07-29 |
| 6596363 | Optical information medium | Hideki Hirata | 2003-07-22 |
| 6590856 | Optical information medium | Takuya Tsukagoshi, Hideki Hirata, Tsuyoshi Komaki | 2003-07-08 |
| 6576320 | Optical information medium and evaluation method | Hideki Hirata, Toshifumi Tanaka | 2003-06-10 |
| 6540397 | Optical information storage medium | Jiro Yoshinari, Takuya Tsukagoshi, Hideki Hirata, Tokuyuki Honda, Mark McDonald +6 more | 2003-04-01 |