Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6926974 | Perpendicular magnetic recording medium and magnetic storage apparatus | Yoshiaki Kawato, Kazuhiro Nakamoto | 2005-08-09 |
| 6894488 | Method for testing or recording servo signal on perpendicular magnetic recording media | Atsushi Kikugawa, Kiwamu Tanahashi, Yukio Honda, Yoshiyuki Hirayama | 2005-05-17 |
| 6852398 | Perpendicular-magnetic recording media and magnetic recording apparatus | Kazuetsu Yoshida, Yoshiyuki Hirayama | 2005-02-08 |
| 6846577 | Magnetic recording medium possessing a fluctuation field of not less than 30 Oe | Kazusuke Yamanaka, Tomoo Yamamoto, Yuzuru Hosoe, Nobuyuki Inaba, Yasutaro Uesaka +3 more | 2005-01-25 |