Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6018134 | Main circuit switching apparatus | Yoshiki Hirano, Daisuke Yoshida, Kouichirou Wada, Mikio Mori, Masashi Matsuki | 2000-01-25 |
| 5220548 | Disk cartridge storage and retrieval apparatus | Katsufusa Tanaka, Toshihiro Tanaka | 1993-06-15 |
| 5175656 | Disk cartridge loadings/unloading system | Katsufusa Tanaka, Toshihiro Tanaka | 1992-12-29 |
| 4903252 | Disc file apparatus | Katsufusa Tanaka, Takeo Motoyoshi, Tohru Yamashita, Takaharu Takematsu | 1990-02-20 |
| 4827463 | Disc memory device | Takeo Motoyoshi, Katsufusa Tanaka, Tooru Yamashita | 1989-05-02 |