Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6906990 | Phase-change optical disk and optical disk apparatus | Masayoshi Nagata, Yasuo Tone, Shigeo Yamaguchi, Junichi Horigome | 2005-06-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6906990 | Phase-change optical disk and optical disk apparatus | Masayoshi Nagata, Yasuo Tone, Shigeo Yamaguchi, Junichi Horigome | 2005-06-14 |