Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6749955 | Information recording media and information recording drive | Fumiyoshi Kirino, Hiroki Yamamoto, Takashi Naitou, Ken Takahashi, Eiji Koyama +3 more | 2004-06-15 |
| 6746749 | Magnetic recording disk | Fumiyoshi Kirino, Hiroki Yamamoto, Ken Takahashi, Takashi Naitou, Motoyasu Terao +3 more | 2004-06-08 |
| 6730421 | Magnetic recording medium and its production method, and magnetic recorder | Fumiyoshi Kirino, Teruaki Takeuchi, Kouichirou Wakabayashi | 2004-05-04 |
| 6716516 | Magnetic recording medium and magnetic recording apparatus using the same | Masaaki Futamoto, Yoshiyuki Hirayama, Yukio Honda, Kazuetsu Yoshida, Kenya Ito | 2004-04-06 |
| 6699602 | Amorphous magnetic recording medium, process for producing the same and magnetic recording and reproduction apparatus | Mitsutoshi Honda, Hiroki Yamamoto, Takashi Naito, Tatsumi Hirano, Tetsuo Nakazawa +4 more | 2004-03-02 |
| 6674594 | Read/write head and magnetic recording device | Kouichirou Wakabayashi, Teruaki Takeuchi | 2004-01-06 |