Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5081557 | Magnetic disk cartridge having a cutaway portion on the front edge to prevent damage from incorrect loading | Akio Shinozaki, Kengo Oishi | 1992-01-14 |
| 4699835 | Flexible magnetic disk and method of making same | Junichi Nakamura | 1987-10-13 |