Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6716516 | Magnetic recording medium and magnetic recording apparatus using the same | Masaaki Futamoto, Nobuyuki Inaba, Yoshiyuki Hirayama, Yukio Honda, Kazuetsu Yoshida | 2004-04-06 |
| 6683738 | Storage device for reliably maintaining data in a reproducible state for a long period of time | — | 2004-01-27 |
| 6679950 | Cleaning method and cleaner | Hiroshi Tomita, Motoyuki Sato, Soichi Nadahara, Mitsuhiko Shirakashi | 2004-01-20 |