Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6728199 | Disk cartridge | Mitsunori Matsumura | 2004-04-27 |
| 6700741 | Disk cartridge with a plurality of shutter members | Naoki Inoue | 2004-03-02 |
| 6700863 | Disk cartridge | Naoki Inoue | 2004-03-02 |