Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7908666 | Content playing system for reliably determining an authentication of a playing terminal | Kei Kato, Yuhiko Fujiwara | 2011-03-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7908666 | Content playing system for reliably determining an authentication of a playing terminal | Kei Kato, Yuhiko Fujiwara | 2011-03-15 |