Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6785222 | Read-only optical recording medium and disc cartridge | Naohiro Netsu, Yoshitaka Aoki, Tetsu Watanabe, Kazuhiko Fujiie, Takuya Kaeriyama | 2004-08-31 |
| 6747943 | Optical recording medium and disc cartridge | Naohiro Netsu, Yoshitaka Aoki, Tetsu Watanabe, Kazuhiko Fujiie, Takuya Kaeriyama | 2004-06-08 |
| 6704275 | Optical recording medium and disc cartridge having 2 GB capacity | Naohiro Netsu, Yoshitaka Aoki, Tetsu Watanabe, Kazuhiko Fujiie, Takuya Kaeriyama | 2004-03-09 |