Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660452 | Optical information memory medium and display recording method using the same | Hiroko Iwasaki, Kenichi Aihara, Akihiko Okamoto, Yoshihiko Hotta, Naoshi Mishima +1 more | 2003-12-09 |
| 6580672 | Method and apparatus for initializing optical recording media | Kenichi Aihara, Katsuyuki Yamada, Fumiya Ohmi, Eiji Noda, Yujiro Kaneko +2 more | 2003-06-17 |