Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828925 | Magnetic disc | Akira Miyake, Hitoshi Nagatani, Tsugihiro Doi, Kunio Mizushima | 1989-05-09 |
| 4803578 | Assembly for stably mounting magnetic head on carriage | Hideo Fujiwara, Osamu Inagoya | 1989-02-07 |