Inventor
SIIK TAPIO
FI3 patents
Patents
3 patentsUS7092709B1Aug 15, 2006
Handover of a mobile station from an internal cellular communication system to an external cellular communication system
NOKIA CORP33 citations88
US7590407B1Sep 15, 2009
Method and device for carrying out security procedures involving mobile stations in hybrid cellular telecommunication systems
NOKIA CORP2 citations58
US7436807B2Oct 14, 2008
Communication network
NOKIA CORP0 citations45