Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689456 | Magnetic recording medium, a manufacturing method thereof, and a magnetic recording unit using thereof | Tetsuo Nakazawa, Takashi Naito, Tatsumi Hirano, Hiroki Yamamoto, Takashi Namekawa +1 more | 2004-02-10 |