Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5991129 | Disc cartridge with slidable shutter | Yoshikazu Ishimatsu | 1999-11-23 |
| 5524104 | Compact disk drive arrangement with one disk mounted on top of another | Ryuzou Tamayama | 1996-06-04 |
| 5293293 | Disk cartridge for exchangeably accommodating a disk-shaped recording medium | Shuji Haruna | 1994-03-08 |
| 5150354 | Disk cartridge | Shuji Haruna | 1992-09-22 |
| 5041923 | Data storage case having a write/protect assembly | Shuji Haruna | 1991-08-20 |
| D315900 | Optical disc cartridge | — | 1991-04-02 |
| 4945433 | Ejecting mechanism of disk cartridges | Masayuki Suzuki | 1990-07-31 |
| 4918553 | Recording/reproducing apparatus for a disk cassette | Masayuki Suzuki | 1990-04-17 |