Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660452 | Optical information memory medium and display recording method using the same | Hiroko Iwasaki, Kenichi Aihara, Kyohji Hattori, Akihiko Okamoto, Naoshi Mishima +1 more | 2003-12-09 |