Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5591512 | Magnetic recording medium having a magnetic layer comprising iron powder and an underlayer comprising non magnetic powders having specified particle size ratios | Kimihiko Kaneno, Hideki Fujimoto | 1997-01-07 |