Inventor
PATEL GIRISH
US14 patents
⚠️ This page may combine multiple inventors who share the name “PATEL GIRISH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTEL NETWORKS LTD
5 patentsUS6438369B1Aug 20, 2002
Network directed system selection for cellular and PCS enhanced roaming
NORTEL NETWORKS LTD130 citations97
US6363339B1Mar 26, 2002
Dynamic vocoder selection for storing and forwarding voice signals
NORTEL NETWORKS LTD70 citations96
US6363251B1Mar 26, 2002
Network directed system selection for cellular and PCS enhanced roaming
NORTEL NETWORKS LTD20 citations91
US6169893B1Jan 2, 2001
Wireless communication system that supports multiple standards, multiple protocol revisions, multiple extended services and multiple extended services delivery options and method of operation therefor
NORTEL NETWORKS LTD24 citations91
US7580707B2Aug 25, 2009
Wireless communication system that supports multiple standards, multiple protocol revisions, multiple extended services and multiple extended services delivery options and method of operation therefor
NORTEL NETWORKS LTD2 citations61
NORTEL NETWORKS CORP
2 patentsNETWORK ACCESS CORP
2 patentsUS4903263AFeb 20, 1990
Apparatus and method for providing existing telephone switching equipment with integrated services digital network capability
NETWORK ACCESS CORP27 citations92
US4853955AAug 1, 1989
Apparatus and method for providing existing telephone switching equipment with the capability of using the SS7 protocol
NETWORK ACCESS CORP98 citations91