Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778761 | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Yoshiaki Moriyama, Tokihiro Takahashi, Hidehiro Ishii, Takao Sawabe, Junichi Yoshio | 2004-08-17 |