Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074074 | Compressed data scrambled distribution device and playback device thereof | Koichi Takagi, Yasuhiro Takishima | 2011-12-06 |
| 7991183 | Electronic watermark editor for compressed video | Yasuhiro Takishima | 2011-08-02 |
| 7970618 | Content distribution server for distributing content frame for reproducing music and terminal | Koichi Takagi, Hiroshi Mitsuhashi, Koji Katayama | 2011-06-28 |