Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5121272 | Apparatus for centering the magnetic disc in a magnetic disc drive | Hideya Yokouchi, Tomoe Aruga, Tadashi Sugiyama | 1992-06-09 |
| 4903155 | Disc drive | Hideya Yokouchi, Tomoe Aruga, Tadashi Sugiyama | 1990-02-20 |
| 4825314 | Disc drive | Hideya Yokouchi, Tomoe Aruga, Tadashi Sugiyama | 1989-04-25 |