Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6548137 | Phase-change optical recording medium and recording method and apparatus for the same | Kazunori Ito, Michiharu Abe, Makoto Harigaya, Takashi Shibaguchi, Nobuaki Onagi +2 more | 2003-04-15 |