Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6785222 | Read-only optical recording medium and disc cartridge | Naohiro Netsu, Yoshitaka Aoki, Tetsu Watanabe, Yasuaki Maeda, Takuya Kaeriyama | 2004-08-31 |
| 6747943 | Optical recording medium and disc cartridge | Naohiro Netsu, Yoshitaka Aoki, Tetsu Watanabe, Yasuaki Maeda, Takuya Kaeriyama | 2004-06-08 |
| 6741526 | Magnetic head device and recording/reproducing apparatus using the magnetic head device | Naohiro Netsu, Tomohiro Koda | 2004-05-25 |
| 6704275 | Optical recording medium and disc cartridge having 2 GB capacity | Naohiro Netsu, Yoshitaka Aoki, Tetsu Watanabe, Yasuaki Maeda, Takuya Kaeriyama | 2004-03-09 |