Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654856 | Writing protection structure of a disk cartridge | Noboru Akiyama | 1997-08-05 |
| 5638240 | Structure for moving disk cartridge shutter | Noboru Akiyama | 1997-06-10 |
| 5627707 | Disk cartridge with a stop wall to engage a shutter plate projection and at least one support located between the stop wall and a cartridge side edge | Noboru Akiyama | 1997-05-06 |