Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6894488 | Method for testing or recording servo signal on perpendicular magnetic recording media | Kiwamu Tanahashi, Yukio Honda, Masaaki Futamoto, Yoshiyuki Hirayama | 2005-05-17 |
| 6884513 | Rare earth metal-based permanent magnet having corrosion-resistant film and method for producing the same | Fumiaki Kikui | 2005-04-26 |
| 6878217 | Rare earth metal-based permanent magnet having corrosion-resistant film and method for producing the same | Fumiaki Kikui | 2005-04-12 |
| 6858330 | Perpendicular magnetic recording media and magnetic storage apparatus using the same | Kiwamu Tanahashi, Yukio Honda | 2005-02-22 |