Inventor · disambiguated record
Risto Vaisanen
Also filed as: VAEISAENEN RISTO · VAISANEN RISTO · VAISANEN RISTO OLAVI · VäISäNEN RISTO
39 granted patents·6 pending applications·934 citations·filing 1988–2016
98Inventor score
Files withNOKIA MOBILE PHONES LTD22NOKIA CORP14VAISANEN RISTO3NOKIA TECHNOLOGIES OY2NOKIA MOBIRA OY1
Top patents by PatentIndex Score
45 records- 0196US7330070B2Method and arrangement for optimizing efficiency of a power amplifierNOKIA CORP·Filed 2005·Granted Feb 12, 2008·44 cites·33 claims
- 0294US6018277ASeries of strip lines for phasing and balancing a signalNOKIA MOBILE PHONES LTD·Filed 1998·Granted Jan 25, 2000·76 cites·6 claims
- 0392US9270301B2Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systemsNOKIA TECHNOLOGIES OY·Filed 2014·Granted Feb 23, 2016·11 cites·122 claims
- 0492US7630700B2Multi-function passive frequency mixerNOKIA CORP·Filed 2006·Granted Dec 8, 2009·16 cites·27 claims
- 0592US6288606B1Linear power amplifier arrangement and method for its operationNOKIA MOBILE PHONES LTD·Filed 1999·Granted Sep 11, 2001·110 cites·9 claims
- 0690US7844233B2Passive amplification of signalsNOKIA CORP·Filed 2007·Granted Nov 30, 2010·20 cites·33 claims
- 0790US7668527B2Multi-function passive frequency mixerNOKIA CORP·Filed 2007·Granted Feb 23, 2010·14 cites·36 claims
- 0886US8755834B2Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systemsVäISäNEN RISTO·Filed 2012·Granted Jun 17, 2014·8 cites·81 claims
- 0983US7288995B2Power amplifier of a transmitterNOKIA CORP·Filed 2005·Granted Oct 30, 2007·11 cites·44 claims
- 1081US7937051B2Apparatus and method for measuring the level of RF signals, and a transmitter including a wide band measurement circuitNOKIA CORP·Filed 2007·Granted May 3, 2011·10 cites·22 claims
- 1180US7620376B2Method and arrangement for performing analog signal processing and measuring between a signal source and a loadNOKIA CORP·Filed 2005·Granted Nov 17, 2009·8 cites·21 claims
- 1280US5230091AMethod and apparatus for tuning and compensating power levels in a radio telephoneNOKIA MOBILE PHONES LTD·Filed 1990·Granted Jul 20, 1993·68 cites·7 claims
- 1379US8768408B2Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systemsVAISANEN RISTO·Filed 2008·Granted Jul 1, 2014·6 cites·71 claims
- 1479US5519885AMethod to generate different frequency signals in a digital radio telephoneNOKIA MOBILE PHONES LTD·Filed 1994·Granted May 21, 1996·55 cites·2 claims
- 1579US5152004AProcedure for forming low power levels in a radio telephone transmitterNOKIA MOBILE PHONES LTD·Filed 1990·Granted Sep 29, 1992·73 cites·11 claims
- 1678US5057847ARf connector for connecting a mobile radiotelephone to a rackNOKIA MOBILE PHONES LTD·Filed 1990·Granted Oct 15, 1991·52 cites·5 claims
- 1777US6144243AMethod and circuit arrangement for reducing offset voltage of a signalNOKIA MOBILE PHONES LTD·Filed 1997·Granted Nov 7, 2000·36 cites·16 claims
- 1875US7415247B1Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systemsNOKIA CORP·Filed 1999·Granted Aug 19, 2008·33 cites·23 claims
- 1974US5101175APower control method for a voltage controlled power amplifier and circuitry used in the methodNOKIA MOBILE PHONES LTD·Filed 1990·Granted Mar 31, 1992·30 cites·17 claims
- 2068US8838049B1Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systemsNOKIA CORP·Filed 2014·Granted Sep 16, 2014·1 cites·30 claims
- 2161US5963855AMethod for extending the RSSI range and radio transceiver operating in accordance with this methodNOKIA MOBILE PHONES LTD·Filed 1997·Granted Oct 5, 1999·29 cites·11 claims
- 2261US5214372ALinearizing circuit for dectection of a RF-power sensorNOKIA MOBILE PHONES LTD·Filed 1991·Granted May 25, 1993·23 cites·3 claims
- 2361US4912604ARF-shielded hybrid circuitNOKIA MOBIRA OY·Filed 1988·Granted Mar 27, 1990·26 cites·10 claims
- 2458US8126421B2Radio receiverVAEISAENEN RISTO·Filed 2009·Granted Feb 28, 2012·2 cites·18 claims
- 2558US5335362AMethod of tuning and compensating the received signal strength indicator in a radio telephoneNOKIA MOBILE PHONES LTD·Filed 1990·Granted Aug 2, 1994·21 cites·16 claims
- 2655US5450620ACircuit for controlling the transmit power level in a booster amplifier for a digital mobile phone systemNOKIA MOBILE PHONES LTD·Filed 1993·Granted Sep 12, 1995·23 cites·4 claims
- 2754US5423070ALogic controlled tuning signal level and deviation compensation in a radio telephoneNOKIA MOBILE PHONES LTD·Filed 1994·Granted Jun 6, 1995·15 cites·15 claims
- 2854US2015072636A1Dual Channel ReceptionNOKIA CORP·Filed 2014·Application pending·0 cites
- 2953US2017019129A1Method and Arrangement for Transmitting and Receiving RF Signals Through Various Radio Interfaces of Communication SystemsNOKIA TECHNOLOGIES OY·Filed 2016·Application pending·0 cites
- 3051US6324389B1Method and circuit arrangement for processing a received signalNOKIA MOBILE PHONES LTD·Filed 1997·Granted Nov 27, 2001·18 cites·18 claims
- 3151US5233634AAutomatic gain control circuit in a radio telephone receiverNOKIA MOBILE PHONES LTD·Filed 1990·Granted Aug 3, 1993·37 cites·14 claims
- 3250US5311151AI/Q modulator and demodulator having a single bridgeNOKIA MOBILE PHONES LTD·Filed 1992·Granted May 10, 1994·14 cites·18 claims
- 3350US5118965AAnalog pulse converter from square to triangular to cos2 waveNOKIA MOBILE PHONES LTD·Filed 1990·Granted Jun 2, 1992·11 cites·9 claims
- 3449US8903022B2Dual channel receptionVAISANEN RISTO OLAVI·Filed 2009·Granted Dec 2, 2014·0 cites·17 claims
- 3547US2007213025A1Method and arrangement for transmitting and recieving rf signals through various radio interfaces of communication systemsVAISANEN RISTO·Filed 2006·Application pending·0 cites
- 3645US8665995B2Dual channel transmissionVAISANEN RISTO·Filed 2009·Granted Mar 4, 2014·0 cites·20 claims
- 3744US5313656ALogic controlled tuning signal level and deviation compensation in a radio telephoneNOKIA MOBILE PHONES LTD·Filed 1990·Granted May 17, 1994·9 cites·12 claims
- 3842US6963735B2Method and arrangement for receiving a frequency modulated signalNOKIA MOBILE PHONES LTD·Filed 2001·Granted Nov 8, 2005·0 cites·13 claims
- 3942US5379458ATransformerless diode mixerNOKIA MOBILE PHONES LTD·Filed 1992·Granted Jan 3, 1995·9 cites·9 claims
- 4042US2007224940A1Reducing electromagnetic interferencesNOKIA CORP·Filed 2007·Application pending·0 cites
- 4139US7646211B2Circuit and apparatus for reducing interference of digital signalsNOKIA CORP·Filed 2006·Granted Jan 12, 2010·0 cites·30 claims
- 4238US6131021AMethod for extending the RSSI range and radio transceiver operating in accordance with this methodNOKIA MOBILE PHONES LTD·Filed 1999·Granted Oct 10, 2000·9 cites·8 claims
- 4338US5311179AMethod for amending the effect of offset voltage variations from the output voltage in a D/A converterNOKIA MOBILE PHONES LTD·Filed 1992·Granted May 10, 1994·6 cites·6 claims
- 4437US2006284698A1Low-loss microstrip transmission line structure and a method for its implementationNOKIA CORP·Filed 2005·Application pending·0 cites
- 4534US2006205375A1Measurement circuit and method for measuring the level of an RF signal, and a transmitter including a measurement circuitNOKIA CORP·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →