| 8732762 |
Information providing apparatus, information acquisition terminal, broadcast reception terminal, information providing system, information providing method and program |
Tetsuo Maruyama, Tetsu Sumita |
2014-05-20 |
| 8365226 |
Information providing apparatus, broadcast receiving terminal, information providing system, information providing method, and program |
Tetsuo Maruyama, Tetsu Sumita |
2013-01-29 |
| 8250594 |
Information providing device, information acquisition terminal, broadcast receiving terminal, information providing system, information providing method, and program |
Tetsuo Maruyama, Tetsu Sumita |
2012-08-21 |