Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5327309 | Disk drive apparatus with shutter locking mechanism which is preventive of play of disk cartridge in loading condition | Hiroshi Miyoshi, Osamu Ito, Kiyoshi Ohmori | 1994-07-05 |
| 4458270 | Negative to positive image converting apparatus | Osamu Kuno | 1984-07-03 |