Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830837 | Magnetic recording medium and magnetic recording apparatus | Hiroyuki Suzuki, Yotsuo Yahisa, Yoshiyuki Hirayama, Hidekazu Kashiwase | 2004-12-14 |
| 6756113 | Magnetic recording medium and manufacturing method thereof | Yoshibumi Matsuda, Koji Sakamoto, Yotsuo Yahisa | 2004-06-29 |
| 6692843 | Magnetic recording medium, method of fabricating magnetic recording medium, and magnetic storage | Yoshibumi Matsuda, Akira Ishikawa, Yotsuo Yahisa, Yuzuru Hosoe, Koji Sakamoto | 2004-02-17 |