Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6573025 | Optical disc | Hiroaki Miwa, Ryoichi Sudo, Tetsuo Tajima | 2003-06-03 |
| 6534206 | Information recording media and information recording drive | Fumiyoshi Kirino, Nobuyuki Inaba, Hiroki Yamamoto, Takashi Naitou, Ken Takahashi +3 more | 2003-03-18 |