Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5757583 | Disc drive having automatic clamp and disc ejection arrangements | Tetsu Ogawa, Minoru Tsuruta | 1998-05-26 |
| 5001592 | Disc driver | — | 1991-03-19 |
| 4742409 | Magnetic disc unit | Shigeki Koizumi, Nobuhiro Aisawa, Tetsuo Tomita, Noriyuki Kawamura | 1988-05-03 |
| 4563715 | Head position control device | Noriyuki Kawamura, Nobuhiro Aizawa, Shigeki Koizumi, Tetsuo Tomita | 1986-01-07 |