Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836385 | Recording/reproducing apparatus | Shinichi Naohara, Kazunori Matsuo, Tomomichi Kimura | 2004-12-28 |
| 6801397 | Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture and a magnetic disk device | Hiroki Yamamoto, Takashi Namekawa, Takashi Naito, Akira Kato, Noriyuki Takeo +4 more | 2004-10-05 |
| 6689456 | Magnetic recording medium, a manufacturing method thereof, and a magnetic recording unit using thereof | Tetsuo Nakazawa, Yuzo Kozono, Takashi Naito, Tatsumi Hirano, Hiroki Yamamoto +1 more | 2004-02-10 |
| 6683826 | System for reproducing information recorded on an information recording medium | Kazunori Matsuo, Masakazu Takahashi, Yoshimichi Nishio, Hideaki Watarihana, Hiroki Goto +5 more | 2004-01-27 |