Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6456448 | Magnetic recording system including magnetic recording medium having three-dimensional random orientation of axis of easy magnetization | Masukazu Igarashi, Kazuetsu Yoshida, Akira Ishikawa | 2002-09-24 |