Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812932 | Vibration proof supporting structure for disk-type information memory unit | Atsushi Katsuta, Takeharu Tajima | 1989-03-14 |
| 4412261 | Magnetic disk memory device | Kenichi Tateyama, Yasuo Matsumiya | 1983-10-25 |