Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9438367 | Method and system for providing an external optical data packet to a destination node of a packet optical network | Qing Wei | 2016-09-06 |
| 8849332 | Apparatus and method for controlling a node of a wireless communication system | Luca Scalia, Thorsten Biermann, Changsoon Choi, Wolfgang Kellerer | 2014-09-30 |
| 8811985 | Network registration method, mobile station and subscriber information management server | Akimichi Tanabe | 2014-08-19 |
| 8494484 | Communication apparatus and communication method for tunnel switching | — | 2013-07-23 |
| 8423021 | Location registration method, mobile communication system and radio base station | Akimichi Tanabe, Kazunori Obata, Tadashi Uchiyama | 2013-04-16 |
| 8311012 | Mobile communication system, mobile communication method, access device, and gateway information storage device | Katsutoshi Nishida | 2012-11-13 |
| 8300604 | Radio communication system and radio communication method | Akimichi Tanabe, Masashi Kanauchi, Minami Ishii | 2012-10-30 |
| 7925262 | System and associated method of maintaining packet switching capability in a cellular network | Katsuhiro Noguchi, Kota Fujimura, Takashi Suzuki | 2011-04-12 |
| 7373147 | Mobile communication method and mobile station | Katsuhiro Noguchi, Kota Fujimura, Takashi Suzuki | 2008-05-13 |
| 7224971 | Mobile communication method and radio network controller | Katsuhiro Noguchi, Kota Fujimura, Takashi Suzuki | 2007-05-29 |
| 7133667 | Communications system, communications device, and communications method | Keisuke Suzuki, Yukichi Saito | 2006-11-07 |
| 7123909 | Subscriber profile changing method, subscriber profile file updating method, mobile communication system, exchange, and home memory station | Kaori Nakamura | 2006-10-17 |
| 7062027 | Service control apparatus, forwarding switching equipment, service control system, and service control method | Yasuyuki Oikawa, Takeshi Sugiyama, Mutsumaru Miki | 2006-06-13 |
| 7016677 | Switching station, subscriber location information registration method, subscriber service information acquisition method, subscriber service information registration method, and subscriber service information transmission method | Kayoko Fukasawa, Masahide Ishida, Kazuo Sugiyama, Koji Yamamoto, Kenji Kobayashi | 2006-03-21 |
| 6937859 | Mobile communication service control system and mobile communication service control method | Tooru Hasegawa, Toyota Nishi, Akira Kaiyama, Takeshi Sugiyama, Hironari Kobayashi +1 more | 2005-08-30 |