Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494220 | Apparatus for cleaning a substrate such as a semiconductor wafer | Naoki Matsuda, Mitsuhiko Shirakashi | 2002-12-17 |
| 6447936 | Magnetic recording medium and magnetic recording apparatus using the same | Masaaki Futamoto, Nobuyuki Inaba, Yoshiyuki Hirayama, Yukio Honda, Kazuetsu Yoshida | 2002-09-10 |
| 6437931 | Storage device for reliably maintaining data in a reproducible state for a long period of time | — | 2002-08-20 |
| 6403203 | Magnetic recording medium and magnetic recording apparatus using the same | Masaaki Futamoto, Nobuyuki Inaba, Yoshiyuki Hirayama, Yukio Honda, Kazuetsu Yoshida | 2002-06-11 |
| 6404571 | Storage device for reliably maintaining data in a reproducible state for a long period of time | — | 2002-06-11 |