Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6780531 | Magnetic recording medium comprising a magnetic layer having specific surface roughness and protrusions | Yoshiyuki Makita, Norihisa Yoshimoto, Kenichiro Yoshida | 2004-08-24 |