Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5220548 | Disk cartridge storage and retrieval apparatus | Naoyuki Nakatsukasa, Toshihiro Tanaka | 1993-06-15 |
| 5175656 | Disk cartridge loadings/unloading system | Naoyuki Nakatsukasa, Toshihiro Tanaka | 1992-12-29 |
| 5022019 | Disk-storage device | Takeo Motoyoshi | 1991-06-04 |
| 4903252 | Disc file apparatus | Takeo Motoyoshi, Tohru Yamashita, Naoyuki Nakatsukasa, Takaharu Takematsu | 1990-02-20 |
| 4864455 | Arrester disconnecting device | Tetsuro Shimomura, Mikio Mochizuki | 1989-09-05 |
| 4827463 | Disc memory device | Takeo Motoyoshi, Naoyuki Nakatsukasa, Tooru Yamashita | 1989-05-02 |
| 4578860 | Apparatus for manufacturing iron core | — | 1986-04-01 |
| 4240300 | Operation mechanism | — | 1980-12-23 |
| 4191869 | Vibration detector device | Isamu Tanakura | 1980-03-04 |