Inventor · disambiguated record
Pekka Rissanen
Also filed as: RISSANEN PEKKA
7 granted patents·1 pending application·123 citations·filing 1988–2004
86Inventor score
Top patents by PatentIndex Score
8 records- 0180US7342905B1Communications systemNOKIA CORP·Filed 2000·Granted Mar 11, 2008·41 cites·19 claims
- 0278US7092709B1Handover of a mobile station from an internal cellular communication system to an external cellular communication systemNOKIA CORP·Filed 2000·Granted Aug 15, 2006·33 cites·15 claims
- 0370US7171209B2System and method for allowing subscribers to make internal calls while roaming to other networksNOKIA CORP·Filed 2004·Granted Jan 30, 2007·17 cites·29 claims
- 0465US7301919B2Transmission of voice over IP in wireless telecommunications systemNOKIA CORP·Filed 2002·Granted Nov 27, 2007·13 cites·8 claims
- 0548US7590407B1Method and device for carrying out security procedures involving mobile stations in hybrid cellular telecommunication systemsNOKIA CORP·Filed 2000·Granted Sep 15, 2009·2 cites·33 claims
- 0647US7499706B1Network frequency settingNOKIA CORP·Filed 2002·Granted Mar 3, 2009·2 cites·27 claims
- 0744US4906810AMethod and a device for the manufacturing of an optical couplerNOKIA OY AB·Filed 1988·Granted Mar 6, 1990·15 cites·14 claims
- 0835US2003119495A1Method and arrangement for controlling calls in a hybrid cellular telecommunication systemFiled 2000·Application pending·0 cites
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