Inventor · disambiguated record
Alexander Wayne Hietala
Also filed as: HIETALA ALEXANDER W · HIETALA ALEXANDER WAYNE
117 granted patents·2 pending applications·2,638 citations·filing 1988–2024
99Inventor score
Top patents by PatentIndex Score
119 records- 0199US9711999B2Antenna array calibration for wireless chargingRF MICRO DEVICES INC·Filed 2015·Granted Jul 18, 2017·191 cites·20 claims
- 0298US8774065B2Radio front end and power management architecture for LTE-advancedKHLAT NADIM·Filed 2012·Granted Jul 8, 2014·56 cites·26 claims
- 0397US5430416APower amplifier having nested amplitude modulation controller and phase modulation controllerMOTOROLA INC·Filed 1994·Granted Jul 4, 1995·246 cites·24 claims
- 0496US9019011B2Method of power amplifier calibration for an envelope tracking systemHIETALA ALEXANDER WAYNE·Filed 2012·Granted Apr 28, 2015·40 cites·17 claims
- 0596US7098754B2Fractional-N offset phase locked loopRF MICRO DEVICES INC·Filed 2005·Granted Aug 29, 2006·33 cites·27 claims
- 0696US6834084B2Direct digital polar modulatorRF MICRO DEVICES INC·Filed 2002·Granted Dec 21, 2004·98 cites·17 claims
- 0796US5278994APower amplifier saturation detection and correction method and apparatusMOTOROLA INC·Filed 1991·Granted Jan 11, 1994·127 cites·7 claims
- 0895US11500803B2Programmable slave circuit on a communication busQORVO US INC·Filed 2020·Granted Nov 15, 2022·5 cites·18 claims
- 0995US9519612B2Serial bus buffer with noise reductionRF MICRO DEVICES INC·Filed 2014·Granted Dec 13, 2016·29 cites·23 claims
- 1095US7962108B1Adaptive AM/PM compensationRF MICRO DEVICES INC·Filed 2006·Granted Jun 14, 2011·39 cites·28 claims
- 1195US5111162ADigital frequency synthesizer having AFC and modulation applied to frequency dividerMOTOROLA INC·Filed 1991·Granted May 5, 1992·101 cites·8 claims
- 1295US5055802AMultiaccumulator sigma-delta fractional-n synthesisMOTOROLA INC·Filed 1990·Granted Oct 8, 1991·155 cites·41 claims
- 1394US11489695B2Full-duplex communications over a single-wire busQORVO US INC·Filed 2020·Granted Nov 1, 2022·4 cites·20 claims
- 1494US10176130B2Slave device identification on a single wire communications busQORVO US INC·Filed 2017·Granted Jan 8, 2019·11 cites·20 claims
- 1594US8489042B1Polar feedback linearizationHIETALA ALEXANDER WAYNE·Filed 2010·Granted Jul 16, 2013·22 cites·19 claims
- 1694US5424689AFiltering device for use in a phase locked loop controllerMOTOROLA INC·Filed 1993·Granted Jun 13, 1995·98 cites·9 claims
- 1793US10983942B1Multi-master hybrid bus apparatusQORVO US INC·Filed 2019·Granted Apr 20, 2021·11 cites·20 claims
- 1893US10185683B2Bus interface systemRF MICRO DEVICES INC·Filed 2014·Granted Jan 22, 2019·18 cites·30 claims
- 1993US6816718B2DC offset correction using dummy amplifierRF MICRO DEVICES INC·Filed 2002·Granted Nov 9, 2004·48 cites·27 claims
- 2093US5150075APower amplifier ramp up method and apparatusMOTOROLA INC·Filed 1991·Granted Sep 22, 1992·91 cites·12 claims
- 2193US5055800AFractional n/m synthesisMOTOROLA INC·Filed 1990·Granted Oct 8, 1991·87 cites·31 claims
- 2292US10599601B1Single-wire bus (SuBUS) slave circuit and related apparatusQORVO US INC·Filed 2019·Granted Mar 24, 2020·11 cites·22 claims
- 2392US9515621B2Multimode RF amplifier systemRF MICRO DEVICES INC·Filed 2012·Granted Dec 6, 2016·37 cites·33 claims
- 2492US8351880B1Saturation corrected power amplifier integration loopRF MICRO DEVICES INC·Filed 2010·Granted Jan 8, 2013·14 cites·20 claims
- 2592US7962109B1Excess current and saturation detection and correction in a power amplifierRF MICRO DEVICES INC·Filed 2007·Granted Jun 14, 2011·22 cites·24 claims
- 2691US12092689B2Scan test in a single-wire bus circuitQORVO US INC·Filed 2021·Granted Sep 17, 2024·2 cites·20 claims
- 2791US8200181B1Noise reduction in a dual radio frequency receiverKHLAT NADIM·Filed 2008·Granted Jun 12, 2012·33 cites·28 claims
- 2891US7977919B1Over-voltage protection accounting for battery droopRF MICRO DEVICES INC·Filed 2007·Granted Jul 12, 2011·20 cites·18 claims
- 2991US7457586B1Method of in-device phase measurement and correlation to programmable factorsRF MICRO DEVICES INC·Filed 2005·Granted Nov 25, 2008·22 cites·11 claims
- 3091US7450916B1Excess current and saturation detection and correction in a power amplifierRF MICRO DEVICES INC·Filed 2005·Granted Nov 11, 2008·19 cites·23 claims
- 3190US9337787B2Power amplifier with improved low bias mode linearityRF MICRO DEVICES INC·Filed 2014·Granted May 10, 2016·17 cites·28 claims
- 3290US7333781B1Power correction loop for a power amplifierRF MICRO DEVICES INC·Filed 2005·Granted Feb 19, 2008·20 cites·20 claims
- 3389US10558607B2Bus interface system for power extractionQORVO US INC·Filed 2018·Granted Feb 11, 2020·6 cites·21 claims
- 3489US7626462B1Fractional-N based digital AFC system with a translational PLL transmitterRF MICRO DEVICES INC·Filed 2006·Granted Dec 1, 2009·21 cites·20 claims
- 3588US8509351B1Multi-mode radio frequency modulation circuitryKHLAT NADIM·Filed 2010·Granted Aug 13, 2013·9 cites·24 claims
- 3688US7956615B1Utilizing computed battery resistance as a battery-life indicator in a mobile terminalRF MICRO DEVICES INC·Filed 2007·Granted Jun 7, 2011·15 cites·10 claims
- 3787US8035397B1Utilizing computed battery resistance as a battery-life indicator in a mobile terminalRF MICRO DEVICES INC·Filed 2010·Granted Oct 11, 2011·6 cites·8 claims
- 3887US7449960B2Frequency modulation linearization system for a Fractional-N offset PLLRF MICRO DEVICES INC·Filed 2006·Granted Nov 11, 2008·12 cites·21 claims
- 3987US5070310AMultiple latched accumulator fractional N synthesisMOTOROLA INC·Filed 1990·Granted Dec 3, 1991·64 cites·14 claims
- 4086US10187019B1Phased array antenna systemQORVO US INC·Filed 2018·Granted Jan 22, 2019·4 cites·10 claims
- 4185US8907726B2Voltage, current, and saturation preventionRF MICRO DEVICES INC·Filed 2012·Granted Dec 9, 2014·7 cites·28 claims
- 4284US8193859B1Dual FET detectorHIETALA ALEXANDER WAYNE·Filed 2010·Granted Jun 5, 2012·8 cites·20 claims
- 4384US5093632ALatched accumulator fractional n synthesis with residual error reductionMOTOROLA INC·Filed 1990·Granted Mar 3, 1992·53 cites·17 claims
- 4483US11113220B2Single-wire peer-to-peer busQORVO US INC·Filed 2019·Granted Sep 7, 2021·3 cites·19 claims
- 4583US5495206AFractional N frequency synthesis with residual error correction and method thereofMOTOROLA INC·Filed 1993·Granted Feb 27, 1996·53 cites·9 claims
- 4682US10579128B2Switching power supply for subus slavesQORVO US INC·Filed 2017·Granted Mar 3, 2020·3 cites·20 claims
- 4782US10282269B2Read technique for a bus interface systemRF MICRO DEVICES INC·Filed 2015·Granted May 7, 2019·3 cites·32 claims
- 4882US8536837B1Over-voltage protection accounting for battery droopJAOUDE FARES·Filed 2011·Granted Sep 17, 2013·8 cites·7 claims
- 4982US5166642AMultiple accumulator fractional N synthesis with series recombinationMOTOROLA INC·Filed 1992·Granted Nov 24, 1992·51 cites·22 claims
- 5081US10528502B2Power management system for a bus interface systemRF MICRO DEVICES INC·Filed 2015·Granted Jan 7, 2020·3 cites·31 claims
Showing the top 50 of 119 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →