Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9445310 | Mobile communication system, network device, and mobile communication method | Kenichiro Aoyagi, Yuichiro Nakamura, Mikio Iwamura, Takahiro Hayashi, Kazunori Obata | 2016-09-13 |
| 9326198 | Communication system, mobile station, and switching control method | Yuichiro Nakamura, Kenichiro Aoyagi | 2016-04-26 |
| 9247475 | Radio control apparatus, connection destination switching method, and system | Yuichiro Nakamura, Kenichiro Aoyagi, Kouichi Morikawa | 2016-01-26 |
| 9144021 | Mobile communication system, controller and method | Kenichiro Aoyagi, Yasuhiro Kawabe, Yuichiro Nakamura | 2015-09-22 |
| 9124376 | Communication device and communication method | Kenichiro Aoyagi, Sadayuki Abeta, Yasuyuki Watanabe | 2015-09-01 |
| 9071941 | Mobile communication system, network device, and mobile communication method | Kenichiro Aoyagi, Yasuhiro Kawabe, Yuichiro Nakamura | 2015-06-30 |
| 8953558 | Mobile communication system, radio control apparatus, core network apparatus, mobile communication terminal and mobile communication method | Kenichiro Aoyagi, Yuichiro Nakamura, Yasuhiro Kawabe | 2015-02-10 |
| 8885566 | Mobile communication system, controller and method | Kenichiro Aoyagi, Yasuhiro Kawabe, Yuichiro Nakamura | 2014-11-11 |
| 8824399 | Mobile communication method and radio access network apparatus | Kenichiro Aoyagi, Yasuhiro Kawabe, Yuichiro Nakamura | 2014-09-02 |
| 8463275 | Mobile communication system, radio channel controller, mobile station, mobile switching center, and radio channel controlling method | Kazunori Obata | 2013-06-11 |
| 7003325 | Mobile communication system and method of estimating location of mobile station | Hideo Matsuki, Tetsuro Imai | 2006-02-21 |