Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472047 | Magnetic recording disk | Fumiyoshi Kirino, Nobuyuki Inaba, Hiroki Yamamoto, Ken Takahashi, Takashi Naitou +3 more | 2002-10-29 |
| 6410133 | Magnetic recording disk, method of the magnetic recording disk and magnetic recording apparatus | Fumiyoshi Kirino, Nobuyuki Inaba, Ken Takahashi, Takashi Naitou, Eiji Koyama +3 more | 2002-06-25 |
| 6370107 | Recording medium and recording device | Hajime Koyanagi, Atsushi Kikukawa, Kenchi Ito, Kimitoshi Etoh | 2002-04-09 |