Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5293293 | Disk cartridge for exchangeably accommodating a disk-shaped recording medium | Hirokimi Iwata | 1994-03-08 |
| 5150354 | Disk cartridge | Hirokimi Iwata | 1992-09-22 |
| 5048008 | Disk cartridge | — | 1991-09-10 |
| 5041923 | Data storage case having a write/protect assembly | Hirokimi Iwata | 1991-08-20 |