Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811152 | Protective structure for jacket for rotatable magnetic recording media | Megumu Hirakura, Tetsuya Imamura | 1989-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811152 | Protective structure for jacket for rotatable magnetic recording media | Megumu Hirakura, Tetsuya Imamura | 1989-03-07 |