Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815083 | Perpendicular magnetic recording medium and process of production thereof | Hiroaki Nemoto, Hiroyuki Nakagawa | 2004-11-09 |
| 6808824 | Perpendicular magnetic recording media | Kiwamu Tanahashi, Atsushi Kikugawa, Noboru Shimizu, Yukio Honda | 2004-10-26 |
| 6773826 | Perpendicular magnetic recording media and magnetic storage apparatus using the same | Hiroyuki Nakagawa, Hiroaki Nemoto | 2004-08-10 |
| 6723457 | Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the same | Kiwamu Tanahashi, Atsushi Kikugawa, Noboru Shimizu, Yukio Honda | 2004-04-20 |
| 6709768 | Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording medium | Yoshio Takahashi, Kiwamu Tanahashi, Ichiro Tamai | 2004-03-23 |
| 6703148 | Magnetic recording medium and magnetic disk apparatus using the same | Yoshibumi Matsuda, Yotsuo Yahisa, Koji Sakamoto, Akira Kato | 2004-03-09 |
| 6692843 | Magnetic recording medium, method of fabricating magnetic recording medium, and magnetic storage | Yoshibumi Matsuda, Akira Ishikawa, Yotsuo Yahisa, Tetsuya Kanbe, Koji Sakamoto | 2004-02-17 |