Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6411591 | Optical recording medium and optical memory device | Akemi Hirotsune, Motoyasu Terao, Yasushi Miyauchi, Toshimichi Shintani, Takashi Naito +2 more | 2002-06-25 |
| 6340555 | Information recording medium and information recording and reproducing apparatus using the same | Makoto Miyamoto, Motoyasu Terao, Yukio Fukui, Nobuhiro Tokushuku, Keikichi Andoo +3 more | 2002-01-22 |