Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6808824 | Perpendicular magnetic recording media | Atsushi Kikugawa, Noboru Shimizu, Yukio Honda, Yuzuru Hosoe | 2004-10-26 |
| 6759148 | Perpendicular magnetic recording media and magnetic storage apparatus using the same | Atsushi Kikugawa, Yukio Honda, Masaaki Futamoto, Akira Ishikawa | 2004-07-06 |
| 6723457 | Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the same | Atsushi Kikugawa, Noboru Shimizu, Yukio Honda, Yuzuru Hosoe | 2004-04-20 |
| 6709768 | Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording medium | Yoshio Takahashi, Yuzuru Hosoe, Ichiro Tamai | 2004-03-23 |