Inventor
HULKKONEN TONY
FI22 patents
⚠️ This page may combine multiple inventors who share the name “HULKKONEN TONY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NOKIA CORP
14 patentsUS7089008B1Aug 8, 2006
Inter-system handover
NOKIA CORP171 citations97
US6937862B2Aug 30, 2005
Maintaining association in a communications network
NOKIA CORP101 citations95
US7693506B1Apr 6, 2010
Method and system for performing a location registration in a cellular radiotelephone system
NOKIA CORP41 citations92
US7231046B1Jun 12, 2007
Method for controlling connections to a mobile station
NOKIA CORP45 citations92
US7069022B2Jun 27, 2006
Method of performing an area update for a terminal equipment in a communication network
NOKIA CORP35 citations92
US7697935B2Apr 13, 2010
Transfer of a user equipment in a communication system
NOKIA CORP34 citations91
US7574193B2Aug 11, 2009
Emergency call support for mobile communications
NOKIA CORP31 citations91
US7200401B1Apr 3, 2007
Operator forced inter-system handover
NOKIA CORP50 citations91
US7660585B2Feb 9, 2010
Inter-system handover
NOKIA CORP8 citations83
US7415274B2Aug 19, 2008
Routing procedure for a communication system
NOKIA CORP15 citations82
US7136646B1Nov 14, 2006
Method and apparatus for electing an identification confirmation information
NOKIA CORP13 citations82
US7486957B2Feb 3, 2009
Method of performing an area update for a terminal equipment in a communication network
NOKIA CORP4 citations63
US7623529B2Nov 24, 2009
Address de-registration from IP multimedia networks
NOKIA CORP2 citations62
US7613469B2Nov 3, 2009
Positioning-triggered handover
NOKIA CORP4 citations61