Inventor · disambiguated record
Juha Ellä
Also filed as: ELLA JUHA · ELLA JUHA S · ELLA JUHA SAKARI · ELLAE JUHA
59 granted patents·7 pending applications·3,881 citations·filing 1996–2025
99Inventor score
Top patents by PatentIndex Score
66 records- 0199US5910756AFilters and duplexers utilizing thin film stacked crystal filter structures and thin film bulk acoustic wave resonatorsNOKIA MOBILE PHONES LTD·Filed 1997·Granted Jun 8, 1999·307 cites·23 claims
- 0299US5714917ADevice incorporating a tunable thin film bulk acoustic resonator for performing amplitude and phase modulationNOKIA MOBILE PHONES LTD·Filed 1996·Granted Feb 3, 1998·331 cites·15 claims
- 0398US6812619B1Resonator structure and a filter comprising such a resonator structureNOKIA CORP·Filed 2000·Granted Nov 2, 2004·245 cites·39 claims
- 0498US6670866B2Bulk acoustic wave resonator with two piezoelectric layers as balun in filters and duplexersNOKIA CORP·Filed 2002·Granted Dec 30, 2003·258 cites·48 claims
- 0598US6407649B1Monolithic FBAR duplexer and method of making the sameNOKIA CORP·Filed 2001·Granted Jun 18, 2002·189 cites·10 claims
- 0698US6081171AMonolithic filters utilizing thin film bulk acoustic wave devices and minimum passive components for controlling the shape and width of a passband responseNOKIA MOBILE PHONES LTD·Filed 1998·Granted Jun 27, 2000·169 cites·32 claims
- 0798US5872493ABulk acoustic wave (BAW) filter having a top portion that includes a protective acoustic mirrorNOKIA MOBILE PHONES LTD·Filed 1997·Granted Feb 16, 1999·339 cites·46 claims
- 0897US6788170B1Resonator structure having a dampening material and a filter having such a resonator structureNOKIA CORP·Filed 2000·Granted Sep 7, 2004·116 cites·10 claims
- 0997US6204737B1Piezoelectric resonator structures with a bending element performing a voltage controlled switching functionNOKIA MOBILE PHONES LTD·Filed 1999·Granted Mar 20, 2001·220 cites·7 claims
- 1096US7786819B2Apparatus comprising an antenna element, which efficiently performs at both a first resonant frequency band and a second resonant frequency band, method and computer program thereforeNOKIA CORP·Filed 2007·Granted Aug 31, 2010·92 cites·21 claims
- 1196US6963257B2Coupled BAW resonator based duplexersINFINEON TECHNOLOGIES AG·Filed 2004·Granted Nov 8, 2005·109 cites·26 claims
- 1296US6548943B2Method of producing thin-film bulk acoustic wave devicesNOKIA MOBILE PHONES LTD·Filed 2001·Granted Apr 15, 2003·114 cites·8 claims
- 1396US6278342B1Balanced filter structure utilizing bulk acoustic wave resonators having different areasNOKIA MOBILE PHONES LTD·Filed 1999·Granted Aug 21, 2001·131 cites·10 claims
- 1495US7187945B2Versatile antenna switch architectureNOKIA CORP·Filed 2004·Granted Mar 6, 2007·81 cites·43 claims
- 1595US6862441B2Transmitter filter arrangement for multiband mobile phoneNOKIA CORP·Filed 2003·Granted Mar 1, 2005·92 cites·29 claims
- 1695US6518860B2BAW filters having different center frequencies on a single substrate and a method for providing sameNOKIA MOBILE PHONES LTD·Filed 2001·Granted Feb 11, 2003·129 cites·10 claims
- 1794US9240622B2Circuit arrangement including hybrids and duplexers between antenna, transmission and reception portsSCHMIDHAMMER EDGAR·Filed 2011·Granted Jan 19, 2016·20 cites·25 claims
- 1894US6242843B1Resonator structuresNOKIA MOBILE PHONES LTD·Filed 1999·Granted Jun 5, 2001·100 cites·10 claims
- 1993US6441702B1Method and system for wafer-level tuning of bulk acoustic wave resonators and filtersNOKIA MOBILE PHONES LTD·Filed 2001·Granted Aug 27, 2002·62 cites·27 claims
- 2092US6992400B2Encapsulated electronics device with improved heat dissipationEPCOS AG·Filed 2004·Granted Jan 31, 2006·138 cites·9 claims
- 2192US6751470B1Versatile RF front-end multiband mobile terminalsNOKIA CORP·Filed 2002·Granted Jun 15, 2004·74 cites·16 claims
- 2291US6496085B2Solidly mounted multi-resonator bulk acoustic wave filter with a patterned acoustic mirrorNOKIA MOBILE PHONES LTD·Filed 2001·Granted Dec 17, 2002·69 cites·10 claims
- 2390US9660687B2Front-end circuit for band aggregation modesELLä JUHA·Filed 2011·Granted May 23, 2017·18 cites·17 claims
- 2490US6990357B2Front-end arrangements for multiband multimode communication enginesNOKIA CORP·Filed 2003·Granted Jan 24, 2006·63 cites·32 claims
- 2590US6943647B2Bulk acoustic wave filter with a roughened substrate bottom surface and method of fabricating sameNOKIA CORP·Filed 2004·Granted Sep 13, 2005·43 cites·20 claims
- 2690US6509813B2Bulk acoustic wave resonator with a conductive mirrorNOKIA MOBILE PHONES LTD·Filed 2001·Granted Jan 21, 2003·67 cites·12 claims
- 2789US10277259B2Front-end circuit for simultaneous transmission and reception operationSNAPTRACK INC·Filed 2014·Granted Apr 30, 2019·10 cites·17 claims
- 2889US7155252B2Mimo and diversity front-end arrangements for multiband multimode communication enginesNOKIA CORP·Filed 2003·Granted Dec 26, 2006·57 cites·36 claims
- 2988US10826543B2Filter circuit configuration for carrier aggregationQUALCOMM INC·Filed 2018·Granted Nov 3, 2020·7 cites·27 claims
- 3086US7194247B2Dual-channel passband filtering system using acoustic resonators in lattice topologyNOKIA CORP·Filed 2001·Granted Mar 20, 2007·32 cites·32 claims
- 3184US10911073B2MultiplexerSNAPTRACK INC·Filed 2017·Granted Feb 2, 2021·6 cites·10 claims
- 3284US6741145B2Filter structure and arrangement comprising piezoelectric resonatorsNOKIA CORP·Filed 2001·Granted May 25, 2004·27 cites·32 claims
- 3383US10079586B2Package for a tunable filterSNAPTRACK INC·Filed 2014·Granted Sep 18, 2018·6 cites·21 claims
- 3481US7505006B2Antenna arrangementNOKIA CORP·Filed 2006·Granted Mar 17, 2009·13 cites·32 claims
- 3580US2025253824A1Bulk acoustic wave devices with sandwich electrodes for higher resonant frequencies, and related fabrication methodsRF360 SINGAPORE PTE LTD·Filed 2025·Application pending·0 cites
- 3679US6741146B2Filter structure comprising piezoelectric resonatorsNOKIA CORP·Filed 2002·Granted May 25, 2004·20 cites·22 claims
- 3778US7269441B2Multiband multimode communication enginesNOKIA CORP·Filed 2003·Granted Sep 11, 2007·22 cites·30 claims
- 3877US6388544B1Method for adjusting the center frequency of a balanced filter and a plurality of balanced filtersNOKIA MOBILE PHONES LTD·Filed 2000·Granted May 14, 2002·19 cites·17 claims
- 3976US6480074B1Method and system for wafer-level tuning of bulk acoustic wave resonators and filters by reducing thickness non-uniformityNOKIA MOBILE PHONES LTD·Filed 2001·Granted Nov 12, 2002·19 cites·28 claims
- 4075US6456173B1Method and system for wafer-level tuning of bulk acoustic wave resonators and filtersNOKIA MOBILE PHONES LTD·Filed 2001·Granted Sep 24, 2002·17 cites·29 claims
- 4173US10326428B2Tunable electroacoustic RF filter with improved electric properties and method for operating such a filterSNAPTRACK INC·Filed 2014·Granted Jun 18, 2019·3 cites·14 claims
- 4273US9866266B2Front-end circuit having a tunable filterSNAPTRACK INC·Filed 2014·Granted Jan 9, 2018·3 cites·18 claims
- 4373US6734600B2Component for forming vertically standing waves of a wavelengthINFINEON TECHNOLOGIES AG·Filed 2001·Granted May 11, 2004·15 cites·12 claims
- 4472US12294349B2Bulk acoustic wave devices with sandwich electrodes for higher resonant frequencies, and related fabrication methodsRF360 SINGAPORE PTE LTD·Filed 2022·Granted May 6, 2025·0 cites·12 claims
- 4571US10530415B2HF circuit and front-end circuit comprising an HF circuitEPCOS AG·Filed 2016·Granted Jan 7, 2020·3 cites·12 claims
- 4664US6462460B1Method and system for wafer-level tuning of bulk acoustic wave resonators and filtersNOKIA CORP·Filed 2001·Granted Oct 8, 2002·10 cites·16 claims
- 4763US9929850B2Circuit arrangementSNAPTRACK INC·Filed 2013·Granted Mar 27, 2018·1 cites·18 claims
- 4862US7291547B2Filter device and method for fabricating filter devicesINFINEON TECHNOLOGIES AG·Filed 2003·Granted Nov 6, 2007·9 cites·32 claims
- 4958US12113511B2Bridge-type filtersRF360 SINGAPORE PTE LTD·Filed 2022·Granted Oct 8, 2024·0 cites·25 claims
- 5058US9680210B2Antenna arrangementELLA JUHA SAKARI·Filed 2006·Granted Jun 13, 2017·5 cites·18 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
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