Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9025771 | Security optimization for IMS/MMD architecture | Ashutosh Dutta, Abhrajit Ghosh, Subir Das, Fuchun Joesph Lin, Kyriakos Manousakis +3 more | 2015-05-05 |
| 8971291 | P-CSCF fast handoff for IMS/MMS architecture | Ashutosh Dutta, Abhrajit Ghosh, Subir Das, Dana Chee, Kyriakos Manousakis +4 more | 2015-03-03 |
| 8718092 | Communication network system, network switch and bandwidth control, for site-to-site communications | Kenji Hori, Wataru Uchikawa, Masaya FUJIWARA, Yasunobu Ono, Riichiro Asaoka | 2014-05-06 |
| 8625551 | Flexible mobility framework for heterogeneous roaming in next generation wireless networks | Ashutosh Dutta, Subir Das, Fuchun Joe Lin, Dana Chee, Tsumehiko Chiba +1 more | 2014-01-07 |
| 8565186 | Methods of mitigation of trombone routing in an IMS/MMD network | Ashutosh Dutta, Abhrajit Ghosh, John Lee, Subir Das, Joe Lin +3 more | 2013-10-22 |
| 8103778 | Network operations management method and apparatus | Daisuke Arai, Kiyohito Yoshihara | 2012-01-24 |
| 8098627 | P-CSCF fast handoff for IMS/MMS architecture | Ashutosh Dutta, Abhrajit Ghosh, Subir Das, Dana Chee, Kyriakos Manousakis +4 more | 2012-01-17 |
| 7885191 | Load balance server and method for balancing load of presence information | Manabu Isomura, Naoki Imai, Kazuyuki Tasaka | 2011-02-08 |
| 7870237 | Network configuration restoration method and system | Daisuke Arai, Kiyohito Yoshihara, Hiroki Horiuchi | 2011-01-11 |
| 7796540 | Message substitution response system | Daisuke Arai, Kiyohito Yoshihara, Hiroki Horiuchi | 2010-09-14 |
| 7773613 | Communication control method and system | Daisuke Arai, Kenji Hori, Takeshi Kouyama, Jun Endou | 2010-08-10 |
| 7756091 | Mobile network and communication method thereof | Hidetoshi Yokota, Takeshi Kubo, Masugi Inoue, Mikio Hasegawa, Homare Murakami +1 more | 2010-07-13 |
| 7747711 | Network configuration method and system | Daisuke Arai, Takeshi Kouyama, Jun Endou | 2010-06-29 |
| 7577119 | Mobile network, and data communication method therefor | Hidetoshi Yokota, Takeshi Kubo, Masugi Inoue, Khaled Mahmud | 2009-08-18 |
| 7436805 | Method for call establishment over a packet exchange network | Hidetoshi Yokota, Osamu Kobayashi | 2008-10-14 |
| 7228131 | IPv6/IPv4 tunneling method | Hidetoshi Yokota | 2007-06-05 |
| 7023827 | WAP analyzer | Akio Ishikawa, Osamu Maeshima, Toshihiko Kato | 2006-04-04 |
| 7010592 | Method for collecting statistical traffic data | Tomohiko Ogishi, Toru Hasegawa, Toshihiko Kato | 2006-03-07 |
| 6178450 | Method and apparatus for monitoring a communication link based on TCP/IP protocol by emulating behavior of the TCP protocol | Tomohiko Ogishi, Toshihiko Kato, Kenji Suzuki | 2001-01-23 |