Issued Patents All Time
Showing 25 most recent of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9509423 | Broadcast system, broadcast control apparatus, and broadcast method | — | 2016-11-29 |
| 9182496 | Access method for communication terminal | Hideyuki Katayama | 2015-11-10 |
| 8825075 | Timing of synchronizing signal | Hideyuki Katayama | 2014-09-02 |
| 8594020 | Wireless communication system, control apparatus, communication method switching method, and program | Tsukasa Okamoto | 2013-11-26 |
| 8576735 | Broadcast system, broadcast management device, broadcast method, and terminal | Satoru Kaneda | 2013-11-05 |
| 8570891 | Wireless communication system, control apparatus, communication method switching method, and program | Tsukasa Okamoto | 2013-10-29 |
| 8442018 | Wireless communication system, router apparatus, wireless communication method, and program | Tsukasa Okamoto | 2013-05-14 |
| 8423062 | Mobile communication system, mobile terminal, base station, radio network controller, information rate control method therefor and program therefor | — | 2013-04-16 |
| 8116770 | Mobile communications system and control method thereof | — | 2012-02-14 |
| 7983665 | Mobile communication system, mobile terminal, base station, radio network controller, information rate control method therefor and program therefor | — | 2011-07-19 |
| 7873351 | Communication restriction control system and communication restriction control method | — | 2011-01-18 |
| 7742754 | Mobile communication system and method for determining base station antenna proximity state | — | 2010-06-22 |
| 7634264 | Mobile communication system, mobile terminal, base station, radio network controller, information rate control method therefor and program therefor | — | 2009-12-15 |
| 7630720 | Content distribution system, network, and channel switching control method | — | 2009-12-08 |
| 7623499 | Mobile terminal management system, mobile terminal, agent, and program | — | 2009-11-24 |
| 7580669 | Content distribution system, method for distributing content and computer program thereof | — | 2009-08-25 |
| 7519369 | Content distribution system, network, and channel switching control method | — | 2009-04-14 |
| 7257368 | Content distribution system, method for distributing content and computer program thereof | — | 2007-08-14 |
| 7065360 | Multi-network communications system | — | 2006-06-20 |
| 6973046 | User fee charging system in which traffic is determined through sampling operation | — | 2005-12-06 |
| 6571107 | Connection between mobile stations using different speech coding rules | — | 2003-05-27 |
| 6483818 | Simultaneous paging signal sending system, sending method used therefor, and recording medium on which control program therefor is recorded | Yoshiaki Ohno | 2002-11-19 |
| 6477159 | Mobile communication system and a method thereof | — | 2002-11-05 |
| 6442176 | Signal transmission system in a mobile communication network | — | 2002-08-27 |
| 6370378 | Cellular communicating network and method for locating mobile stations using hierarchically arranged databases | — | 2002-04-09 |