HH

Hassan Hagirahim

AT AT&T: 6 patents #3,053 of 18,772Top 20%
AV Avaya: 2 patents #175 of 775Top 25%
Alcatel Lucent: 1 patents #594 of 1,504Top 40%
📍 Lisle, IL: #74 of 567 inventorsTop 15%
🗺 Illinois: #10,078 of 84,256 inventorsTop 15%
Overall (All Time): #582,697 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7492733 Method of transmitting packets in a mobile 3G network system Francis Waldman 2009-02-17
7330460 Method and apparatus for providing efficient VoIP gateway-to-gateway communication Francis Waldman 2008-02-12
7054327 Method of providing quality of service (QOS) to voice applications in routed IP networks Hanan M. Novotny 2006-05-30
7006490 Method and apparatus for providing efficient circuit switch-to-switch communication 2006-02-28
6937598 Method and apparatus for transporting ATM cell traffic over IP networks Francis Waldman 2005-08-30
6771763 Method and apparatus for providing efficient VoDSL gateway-to-gateway communication Francis Waldman 2004-08-03
6751218 Method and system for ATM-coupled multicast service over IP networks Francis Waldman 2004-06-15
6449284 Methods and means for managing multimedia call flow 2002-09-10
5214645 TDM system and method having time slot request signaling 1993-05-25