Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9516556 | Path establishment method, access network switching method, access network switching apparatus, mobile station, and proxy access network switching apparatus | Katsutoshi Nishida | 2016-12-06 |
| 8811985 | Network registration method, mobile station and subscriber information management server | Kazuyuki Kozu | 2014-08-19 |
| 8626159 | Mobile device and location registration method | Katsuhiro Noguchi, Gou Okuizumi, Hideo Mochida, Masashi Kanauchi, Taketoshi Nakajima | 2014-01-07 |
| 8565189 | Mobile communication method, mobile switching center, and radio base station | Itsuma Tanaka, Keisuke Suzuki | 2013-10-22 |
| 8423021 | Location registration method, mobile communication system and radio base station | Kazuyuki Kozu, Kazunori Obata, Tadashi Uchiyama | 2013-04-16 |
| 8358627 | Radio communication system, radio communication method, and mobile station | Minami Ishii, Masashi Kanauchi | 2013-01-22 |
| 8345598 | Mobility management method and network device | Masami Yabusaki, Katsutoshi Nishida | 2013-01-01 |
| 8300604 | Radio communication system and radio communication method | Kazuyuki Kozu, Masashi Kanauchi, Minami Ishii | 2012-10-30 |
| 8275758 | Search system of communications device | Motoshi Tamura, Atsushi Iwasaki, Makoto Koushiro | 2012-09-25 |
| 8208921 | Mobile communication method and mobile station | Itsuma Tanaka, Keisuke Suzuki, Masashi Kanauchi | 2012-06-26 |
| 8165579 | Communication system and communication method | Naomasa Yoshida | 2012-04-24 |
| 8140082 | Communication system, mobile station, switch apparatus, and communication method | Takuhisa Tahara, Katsuhiro Noguchi, Shinpei Kawakatsu | 2012-03-20 |
| 7643471 | Mobile communication method, mobile communication system, session control device and originating terminal | Hiroaki Amada, Motoshi Tamura, Masahiro Sawada | 2010-01-05 |