Issued Patents All Time
Showing 1–25 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8792454 | Secure and seamless WAN-LAN roaming | Kenichi Taniuchi, Tao Zhang, Ashutosh Dutta, Sunil Madhani, Shinichi Baba +4 more | 2014-07-29 |
| 8631104 | System and method for quality of service management in mobile wireless networks | Shinichi Baba, Faramak Vakil | 2014-01-14 |
| 8385937 | Load equalizing antennas | Faramak Vakil, David Famolari, Kamesh Medepalli, Toshikazu Kodama, Shuichi Obayashi +1 more | 2013-02-26 |
| 8243687 | Secure and seamless WAN-LAN roaming | Kenichi Taniuchi, Tao Zhang, Ashutosh Dutta, Sunil Madhani, Shinichi Baba +4 more | 2012-08-14 |
| 7978655 | Secure and seamless WAN-LAN roaming | Kenichi Taniuchi, Tao Zhang, Ashutosh Dutta, Sunil Madhani, Shinichi Baba +4 more | 2011-07-12 |
| 7974602 | Fraud detection techniques for wireless network operators | Nobuyasu Nakjima, Yoshihiro Ohba, Faramak Vakil | 2011-07-05 |
| 7848312 | Method and systems for toll-free internet protocol communication services | Tao Zhang, Miriam Tauil, Sunil Madhani, Toshikazu Kodama | 2010-12-07 |
| 7480272 | Soft handoff in IP-based CDMA networks by IP encapsulation | Shinichi Baba, Tadahiko Maeda, Tao Zhang | 2009-01-20 |
| 7349378 | Local area network resource manager | Moncef Elaoud, Abhrajit Ghosh, Ravichander Vaidyanathan, Toshikazu Kodama, Yasuhiro Katsube | 2008-03-25 |
| 7139285 | Frequency hop collision prediction in a multi-channel, bluetooth-enabled packet transmission system | David Famolari | 2006-11-21 |
| 7103360 | Switching telephone calls between wireline and cellular telephones | Parameswaran Ramanathan | 2006-09-05 |
| 7072340 | Dynamic assignment and validation of IP addresses in wireless IP networks | Jyh-Cheng Chen, Tao Zhang | 2006-07-04 |
| 7035929 | Method for dynamically allocating IP addresses for time sensitive hosts based on priorities and guard bands | David Famolari, Tao Zhang | 2006-04-25 |
| 7035236 | Network-layer and link-layer use of shadow addresses with IP-based base stations | Jyh-Cheng Chen, Tao Zhang | 2006-04-25 |
| 7031278 | Network-layer and link-layer use of shadow addresses in soft handoff within subnets | Jyh-Cheng Chen, Tao Zhang | 2006-04-18 |
| 7016396 | Unitary bluetooth-enabled terminal having multiple radio interfaces | David Famolari | 2006-03-21 |
| 7016324 | System and method for dynamically allocating IP addresses for shared wireless and wireline networks based on priorities and guard bands | David Famolari, Tao Zhang | 2006-03-21 |
| 7002936 | Distributed soft handoff among IP-based base stations | Jyh-Cheng Chen, Tao Zhang | 2006-02-21 |
| 6999434 | Method, system and circuitry for soft handoff in internet protocol-based code division multiple access networks | Shinichi Baba, Tadahiko Maeda, Tao Zhang | 2006-02-14 |
| 6992995 | Telecommunication enhanced mobile IP architecture for intra-domain mobility | Subir Das, Sajal Kumar Das, Archan Misra | 2006-01-31 |
| 6992994 | Methods and systems for a generalized mobility solution using a dynamic tunneling agent | Subir Das, Archan Misra, Anthony McAuley, Ashutosh Dutta, Sajal Kumar Das | 2006-01-31 |
| 6965584 | Dynamic forward assignment of internet protocol addresses in wireless networks | Toshikazu Kodama, Faramak Vakil, Tao Zhang | 2005-11-15 |
| 6795709 | Method and apparatus for dynamic IP address allocation for wireless cells | David Famolari, Tao Zhang | 2004-09-21 |
| 6788660 | Adaptive mobile signaling for wireless internet telephony | Jyh-Cheng Chen | 2004-09-07 |
| 6775253 | Adaptive signaling for wireless packet telephony | Jyh-Cheng Chen | 2004-08-10 |