Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8010688 | Content use management system, content use management method, and client device | Sen'ichi Onoda, Kouji Miura, Motoji Ohmori, Hiroki Murakami | 2011-08-30 |
| 7984508 | Contents using device, and contents using method | Tohru Nakahara, Masaki Igarashi, Ryuichi Okamoto, Kouji Miura | 2011-07-19 |
| 7940935 | Content playback apparatus, content playback method, computer program, key relay apparatus, and recording medium | Tohru Nakahara, Ryuichi Okamoto, Masaya Yamamoto, Masaya Miyazaki, Masayuki Kozuka | 2011-05-10 |
| 7873987 | Content distribution system and distribution method, and content processing device and processing method | Naohisa Kitazato, Yoshiharu Dewa, Yasushi Katayama, Tatsuya Shimoji, Hideki Kagemoto +1 more | 2011-01-18 |