Inventor · disambiguated record
Robert B. Hammond
Also filed as: HAMMOND ROBERT · HAMMOND ROBERT B
80 granted patents·14 pending applications·2,472 citations·filing 1979–2025
99Inventor score
Top patents by PatentIndex Score
94 records- 0199US11201601B2Transversely-excited film bulk acoustic resonator with multiple diaphragm thicknesses and fabrication methodRESONANT INC·Filed 2020·Granted Dec 14, 2021·109 cites·20 claims
- 0299US11146238B2Film bulk acoustic resonator fabrication methodRESONANT INC·Filed 2020·Granted Oct 12, 2021·60 cites·20 claims
- 0399US10998877B2Film bulk acoustic resonator fabrication method with frequency trimming based on electric measurements prior to cavity etchRESONANT INC·Filed 2020·Granted May 4, 2021·109 cites·21 claims
- 0499US10998882B2XBAR resonators with non-rectangular diaphragmsRESONANT INC·Filed 2020·Granted May 4, 2021·134 cites·18 claims
- 0598US11228296B2Transversely-excited film bulk acoustic resonator with a cavity having a curved perimeterRESONANT INC·Filed 2020·Granted Jan 18, 2022·15 cites·18 claims
- 0698US11165407B2Solidly-mounted transversely-excited film bulk acoustic resonatorRESONANT INC·Filed 2020·Granted Nov 2, 2021·59 cites·28 claims
- 0798US11139794B2Transversely-excited film bulk acoustic resonatorRESONANT INC·Filed 2020·Granted Oct 5, 2021·62 cites·10 claims
- 0898US11114998B2Transversely-excited film bulk acoustic resonators for high power applicationsRESONANT INC·Filed 2020·Granted Sep 7, 2021·58 cites·18 claims
- 0998US10992283B2High power transversely-excited film bulk acoustic resonators on rotated Z-cut lithium niobateRESONANT INC·Filed 2020·Granted Apr 27, 2021·113 cites·20 claims
- 1098US10985730B2Filter devices having high power transversely-excited film bulk acoustic resonatorsRESONANT INC·Filed 2020·Granted Apr 20, 2021·109 cites·29 claims
- 1198US10917070B2Bandpass filter with frequency separation between shunt and series resonators set by dielectric layer thicknessRESONANT INC·Filed 2019·Granted Feb 9, 2021·160 cites·24 claims
- 1298US10868512B2High power transversely-excited film bulk acoustic resonators on Z-cut lithium niobateRESONANT INC·Filed 2020·Granted Dec 15, 2020·166 cites·29 claims
- 1398US10756697B2Transversely-excited film bulk acoustic resonatorRESONANT INC·Filed 2019·Granted Aug 25, 2020·233 cites·21 claims
- 1498US10637438B2Transversely-excited film bulk acoustic resonators for high power applicationsRESONANT INC·Filed 2019·Granted Apr 28, 2020·240 cites·29 claims
- 1598US10601392B2Solidly-mounted transversely-excited film bulk acoustic resonatorRESONANT INC·Filed 2019·Granted Mar 24, 2020·242 cites·27 claims
- 1698US10491192B1Transversely-excited film bulk acoustic resonatorRESONANT INC·Filed 2018·Granted Nov 26, 2019·280 cites·36 claims
- 1797US11482981B2Transversely-excited film bulk acoustic resonators with piezoelectric diaphragm supported by piezoelectric substrateRESONANT INC·Filed 2020·Granted Oct 25, 2022·13 cites·18 claims
- 1897US8701065B1Microwave acoustic wave filtersRESONANT LLC·Filed 2013·Granted Apr 15, 2014·43 cites·20 claims
- 1996US9208274B2Network synthesis design of microwave acoustic wave filtersRESONANT INC·Filed 2015·Granted Dec 8, 2015·11 cites·26 claims
- 2095US12170516B2Filters using transversly-excited film bulk acoustic resonators with frequency-setting dielectric layersMURATA MANUFACTURING CO·Filed 2023·Granted Dec 17, 2024·1 cites·20 claims
- 2193US9524360B2Network synthesis design of microwave acoustic wave filtersRESONANT INC·Filed 2015·Granted Dec 20, 2016·7 cites·26 claims
- 2293US9038005B2Network synthesis design of microwave acoustic wave filtersRESONANT LLC·Filed 2013·Granted May 19, 2015·17 cites·17 claims
- 2392US9934345B2Network synthesis design of microwave acoustic wave filtersRESONANT INC·Filed 2017·Granted Apr 3, 2018·5 cites·29 claims
- 2492US9754060B2Network synthesis design of microwave acoustic wave filtersRESONANT INC·Filed 2016·Granted Sep 5, 2017·5 cites·33 claims
- 2592US6633208B2Filter with improved intermodulation distortion characteristics and methods of making the improved filterSUPERCONDUCTOR TECH·Filed 2001·Granted Oct 14, 2003·37 cites·130 claims
- 2691US11329625B2Film bulk acoustic sensors using thin LN-LT layerRESONANT INC·Filed 2021·Granted May 10, 2022·2 cites·14 claims
- 2790US11876498B2Transversely-excited film bulk acoustic resonator with multiple diaphragm thicknesses and fabrication methodMURATA MANUFACTURING CO·Filed 2021·Granted Jan 16, 2024·2 cites·20 claims
- 2890US9325294B2Microwave acoustic wave filtersRESONANT LLC·Filed 2013·Granted Apr 26, 2016·9 cites·7 claims
- 2990US9165101B2Network synthesis design of microwave acoustic wave filtersRESONANT INC·Filed 2014·Granted Oct 20, 2015·12 cites·24 claims
- 3090US8990742B2Network synthesis design of microwave acoustic wave filtersRESONANT LLC·Filed 2014·Granted Mar 24, 2015·12 cites·25 claims
- 3188US12323130B2Transversely-excited film bulk acoustic resonator with controlled conductor sidewall anglesMURATA MANUFACTURING CO·Filed 2022·Granted Jun 3, 2025·1 cites·21 claims
- 3288US10366192B2Network synthesis design of microwave acoustic wave filtersRESONANT INC·Filed 2018·Granted Jul 30, 2019·3 cites·23 claims
- 3388US10140406B2Network synthesis design of microwave acoustic wave filtersRESONANT INC·Filed 2018·Granted Nov 27, 2018·3 cites·18 claims
- 3482US11929735B2XBAR resonators with non-rectangular diaphragmsMURATA MANUFACTURING CO·Filed 2020·Granted Mar 12, 2024·1 cites·20 claims
- 3582US6727702B2Tunable superconducting resonator and methods of tuning thereofSUPERCONDUCTOR TECH·Filed 2003·Granted Apr 27, 2004·19 cites·29 claims
- 3681US2025266807A1Transversely-excited film bulk acoustic resonator with controlled conductor sidewall anglesMURATA MANUFACTURING CO·Filed 2025·Application pending·0 cites
- 3780US11469733B2Transversely-excited film bulk acoustic resonators with interdigital transducer configured to reduce diaphragm stressRESONANT INC·Filed 2020·Granted Oct 11, 2022·1 cites·24 claims
- 3880US2025247073A1Transversely-excited film bulk acoustic resonator with optimized piezoelectric plate thicknessMURATA MANUFACTURING CO·Filed 2025·Application pending·0 cites
- 3979US12244295B2Transversely-excited film bulk acoustic resonators with two-layer electrodes having a narrower top layerMURATA MANUFACTURING CO·Filed 2024·Granted Mar 4, 2025·0 cites·19 claims
- 4079US2025105816A1Solidly-mounted transversely-excited film bulk acoustic deviceMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 4178US2024380376A1Transversely-excited film bulk acoustic resonatorMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 4277US12237826B2Transversely-excited film bulk acoustic resonator with optimized electrode thickness, mark, and pitchMURATA MANUFACTURING CO·Filed 2021·Granted Feb 25, 2025·0 cites·21 claims
- 4377US12021504B2Transversely-excited film bulk acoustic resonator with a front-side dielectric layer and optimized pitch and markMURATA MANUFACTURING CO·Filed 2022·Granted Jun 25, 2024·0 cites·20 claims
- 4477US12021503B2Transversely-excited film bulk acoustic resonator with optimized piezoelectric plate thickness and having multiple pitches and marksMURATA MANUFACTURING CO·Filed 2021·Granted Jun 25, 2024·0 cites·20 claims
- 4577US12021502B2Transversely-excited film bulk acoustic resonator with multi-mark electrodes and optimized electrode thicknessMURATA MANUFACTURING CO·Filed 2021·Granted Jun 25, 2024·0 cites·20 claims
- 4677US11942922B2Transversely-excited film bulk acoustic resonator with optimized electrode thickness, mark, and pitchMURATA MANUFACTURING CO·Filed 2022·Granted Mar 26, 2024·0 cites·20 claims
- 4777US11824520B2Transversely-excited film bulk acoustic resonator with optimized electrode thickness, mark, and pitchMURATA MANUFACTURING CO·Filed 2021·Granted Nov 21, 2023·0 cites·20 claims
- 4877US10243539B2Radio frequency transmit filter with integrated impedance matching networkRESONANT INC·Filed 2017·Granted Mar 26, 2019·3 cites·11 claims
- 4977US2025070753A1Filters using transversly-excited film bulk acoustic resonators with frequency-setting dielectric layersMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 5077US2024154597A1Transversely-excited film bulk acoustic resonators with interdigital transducer configured to reduce diaphragm stressMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
Showing the top 50 of 94 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →