Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9526040 | Data type encoding for media independent handover | Yoshihiro Oba, Yuu-Heng Alice Cheng, Miriam Tauil, Kenichi Taniuchi | 2016-12-20 |
| 9094412 | Self organizing IP multimedia subsystem | Ashutosh Dutta, Dana Chee, Christian Makaya, Fuchun Joseph Lin, Ming-Yee Lai +3 more | 2015-07-28 |
| 9025771 | Security optimization for IMS/MMD architecture | Ashutosh Dutta, Abhrajit Ghosh, Fuchun Joesph Lin, Kyriakos Manousakis, Dana Chee +3 more | 2015-05-05 |
| 8971291 | P-CSCF fast handoff for IMS/MMS architecture | Ashutosh Dutta, Abhrajit Ghosh, Dana Chee, Kyriakos Manousakis, Funchun Joseph Lin +4 more | 2015-03-03 |
| 8971239 | PLMN selection and inter-system mobility policy conflict resolution for multi-interface user | Yoshihiro Oba, Raquel Morera | 2015-03-03 |
| 8929330 | Network discovery mechanisms | Kenichi Taniuchi, Yoshihiro Ohba, Sunil Madhani, Ashutosh Dutta | 2015-01-06 |
| 8886935 | Key management device, system and method having a rekey mechanism | Yoshihiro Ohba, Mitsuru Kanda, David Famolari | 2014-11-11 |
| 8781473 | Prioritized query | Yoshihiro Oba, Yuu-Heng Alice Cheng, Kenichi Taniuchi | 2014-07-15 |
| 8717931 | Network discovery mechanisms | Kenichi Taniuchi, Yoshihiro Ohba, Sunil Madhani, Ashutosh Dutta | 2014-05-06 |
| 8707416 | Bootstrapping kerberos from EAP (BKE) | Yoshihiro Oba | 2014-04-22 |
| 8681648 | Mobility policy updates for mobile devices | David Famolari, Yoshihiro Ohba | 2014-03-25 |
| 8670407 | Proxy mobile IP | Ashutosh Dutta, Funchun Joe Lin, Dana Chee, Hidetoshi Yokota, Tsunehiko Chiba | 2014-03-11 |
| 8625551 | Flexible mobility framework for heterogeneous roaming in next generation wireless networks | Ashutosh Dutta, Fuchun Joe Lin, Dana Chee, Tsumehiko Chiba, Hidetoshi Yokota +1 more | 2014-01-07 |
| 8611280 | Public land mobile network selection procedures for simultaneous network connectivity through multiple accesses | Raquel Morera, Yoshihiro Ohba | 2013-12-17 |
| 8583923 | EAP method for EAP extension (EAP-EXT) | Yoshihiro Oba | 2013-11-12 |
| 8565186 | Methods of mitigation of trombone routing in an IMS/MMD network | Ashutosh Dutta, Abhrajit Ghosh, John Lee, Joe Lin, Kyriakos Manousakis +3 more | 2013-10-22 |
| 8505076 | Proactive authentication | Yoshihiro Oba, Ashutosh Dutta | 2013-08-06 |
| 8442005 | Seamless handoff across heterogeneous access networks using a handoff controller in a service control point | Ashutosh Dutta, Donald Lukacs, Tao Zhang, David Shrader, Raquel Morera Sempere +3 more | 2013-05-14 |
| 8341395 | Media independent handover protocol security | Yoshihiro Oba, Ashutosh Dutta | 2012-12-25 |
| 8332923 | Kerberized handover keying | Yoshihiro Oba | 2012-12-11 |
| 8160021 | Media-independent handover: session identifier | Yoshihiro Ohba | 2012-04-17 |
| 8107960 | Prioritized query | Yoshihiro Oba, Yuu-Heng Alice Cheng, Kenich Taniuchi | 2012-01-31 |
| 8098627 | P-CSCF fast handoff for IMS/MMS architecture | Ashutosh Dutta, Abhrajit Ghosh, Dana Chee, Kyriakos Manousakis, Funchun Joseph Lin +4 more | 2012-01-17 |
| 8036176 | MIH pre-authentication | Yoshihiro Oba | 2011-10-11 |
| 7975300 | Secure isolation and recovery in wireless networks | Byungsuk Kim, Farooq Anjum, Praveen Gopalakrishnan, Latha Kant | 2011-07-05 |