Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828925 | Magnetic disc | Akira Miyake, Hitoshi Nagatani, Tsugihiro Doi, Akito Sakemoto | 1989-05-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828925 | Magnetic disc | Akira Miyake, Hitoshi Nagatani, Tsugihiro Doi, Akito Sakemoto | 1989-05-09 |