Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604028 | Magnetic recording media having a magnetic layer including acicular magnetic metal powder and alumina powder | Makoto Hirama | 1997-02-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604028 | Magnetic recording media having a magnetic layer including acicular magnetic metal powder and alumina powder | Makoto Hirama | 1997-02-18 |