Inventor · disambiguated record
Keiichi Umeda
Also filed as: UMEDA KEIICHI
38 granted patents·4 pending applications·445 citations·filing 2004–2021
97Inventor score
Top patents by PatentIndex Score
42 records- 0199US7868519B2Piezoelectric resonator including an acoustic reflector portionMURATA MANUFACTURING CO·Filed 2010·Granted Jan 11, 2011·253 cites·5 claims
- 0295US7649304B2Piezoelectric resonator and piezoelectric filterMURATA MANUFACTURING CO·Filed 2008·Granted Jan 19, 2010·41 cites·8 claims
- 0393US9246079B2Piezoelectric thin-film resonator and method for producing piezoelectric thin filmMURATA MANUFACTURING CO·Filed 2012·Granted Jan 26, 2016·15 cites·10 claims
- 0493US7535154B2Piezoelectric thin-film resonatorMURATA MANUFACTURING CO·Filed 2008·Granted May 19, 2009·28 cites·16 claims
- 0589US7276836B2Piezoelectric thin-film resonator and process for producing sameMURATA MANUFACTURING CO·Filed 2005·Granted Oct 2, 2007·21 cites·10 claims
- 0687US9831416B2Piezoelectric member that achieves high sound speed, acoustic wave apparatus, and piezoelectric member manufacturing methodMURATA MANUFACTURING CO·Filed 2015·Granted Nov 28, 2017·2 cites·16 claims
- 0785US10374569B2Resonance device and manufacturing method thereforMURATA MANUFACTURING CO·Filed 2018·Granted Aug 6, 2019·5 cites·20 claims
- 0885US9461616B2Bulk wave resonator having an aluminum nitride film containing scandium and ScAlN protective layerMURATA MANUFACTURING CO·Filed 2014·Granted Oct 4, 2016·7 cites·12 claims
- 0985US9231557B2DuplexerUMEDA KEIICHI·Filed 2009·Granted Jan 5, 2016·15 cites·5 claims
- 1083US9893270B2Method for manufacturing piezoelectric bulk acoustic wave element and piezoelectric bulk acoustic wave elementMURATA MANUFACTURING CO·Filed 2014·Granted Feb 13, 2018·8 cites·4 claims
- 1182US9905748B2Vibrating deviceMURATA MANUFACTURING CO·Filed 2015·Granted Feb 27, 2018·4 cites·20 claims
- 1281US9584093B2Vibrating deviceMURATA MANUFACTURING CO·Filed 2015·Granted Feb 28, 2017·4 cites·17 claims
- 1380US9553561B2Vibrating device and manufacturing method therforMURATA MANUFACTURING CO·Filed 2015·Granted Jan 24, 2017·4 cites·19 claims
- 1477US10998857B2Resonance deviceMURATA MANUFACTURING CO·Filed 2020·Granted May 4, 2021·1 cites·20 claims
- 1577US7924120B2Piezoelectric resonator and piezoelectric filter having a heat-radiating filmMURATA MANUFACTURING CO·Filed 2009·Granted Apr 12, 2011·8 cites·15 claims
- 1676US10312427B2Piezoelectric deviceMURATA MANUFACTURING CO·Filed 2016·Granted Jun 4, 2019·2 cites·19 claims
- 1775US10397708B2Piezoelectric element, piezoelectric microphone, piezoelectric resonator and method for manufacturing piezoelectric elementMURATA MANUFACTURING CO·Filed 2018·Granted Aug 27, 2019·2 cites·12 claims
- 1872US10224896B2Piezoelectric vibrator and piezoelectric vibration deviceMURATA MANUFACTURING CO·Filed 2016·Granted Mar 5, 2019·2 cites·20 claims
- 1969US9368247B2Thin film device and method for manufacturing thin film deviceMURATA MANUFACTURING CO·Filed 2013·Granted Jun 14, 2016·1 cites·9 claims
- 2069US8610516B2Piezoelectric thin-film filterUMEDA KEIICHI·Filed 2009·Granted Dec 17, 2013·6 cites·14 claims
- 2167US7504910B2Thin-film piezoelectric resonator utilizing a second or higher harmonic modeMURATA MANUFACTURING CO·Filed 2006·Granted Mar 17, 2009·5 cites·12 claims
- 2265US10965270B2Piezoelectric thin film and piezoelectric vibratorMURATA MANUFACTURING CO·Filed 2017·Granted Mar 30, 2021·0 cites·10 claims
- 2364US10608164B2Piezoelectric thin film, manufacturing method therefor, and piezoelectric elementMURATA MANUFACTURING CO·Filed 2016·Granted Mar 31, 2020·1 cites·5 claims
- 2464US10291202B2Vibration device and manufacturing method of the sameMURATA MANUFACTURING CO·Filed 2016·Granted May 14, 2019·1 cites·19 claims
- 2564US9866199B2Vibrating deviceMURATA MANUFACTURING CO·Filed 2015·Granted Jan 9, 2018·1 cites·16 claims
- 2661US7180390B2Electronic component and method for manufacturing the sameMURATA MANUFACTURING CO·Filed 2004·Granted Feb 20, 2007·8 cites·18 claims
- 2758US11012787B2Piezoelectric element, piezoelectric microphone, piezoelectric resonator and method for manufacturing piezoelectric elementMURATA MANUFACTURING CO·Filed 2019·Granted May 18, 2021·0 cites·5 claims
- 2857US2019245133A1Piezoelectric deviceMURATA MANUFACTURING CO·Filed 2019·Application pending·0 cites
- 2955US11629046B2MEMS deviceMURATA MANUFACTURING CO·Filed 2020·Granted Apr 18, 2023·0 cites·14 claims
- 3053US11909375B2Resonance deviceMURATA MANUFACTURING CO·Filed 2021·Granted Feb 20, 2024·0 cites·20 claims
- 3153US11451211B2Gallium nitride structure, piezoelectric element, method of manufacturing piezoelectric element, and resonator using piezoelectric elementMURATA MANUFACTURING CO·Filed 2018·Granted Sep 20, 2022·0 cites·19 claims
- 3253US10727807B2Resonator manufacturing methodMURATA MANUFACTURING CO·Filed 2017·Granted Jul 28, 2020·0 cites·14 claims
- 3353US9948274B2Surface acoustic wave deviceMURATA MANUFACTURING CO·Filed 2014·Granted Apr 17, 2018·0 cites·8 claims
- 3450US2015162523A1Piezoelectric deviceMURATA MANUFACTURING CO·Filed 2013·Application pending·0 cites
- 3549US10475984B2Aluminum nitride piezoelectric thin film, piezoelectric material, piezoelectric component, and method for manufacturing aluminum nitride piezoelectric thin filmMURATA MANUFACTURING CO·Filed 2016·Granted Nov 12, 2019·0 cites·7 claims
- 3647US10069473B2Piezoelectric resonator and method for manufacturing the sameMURATA MANUFACTURING CO·Filed 2016·Granted Sep 4, 2018·0 cites·20 claims
- 3747US9972769B2Piezoelectric thin film and method for manufacturing the same, and piezoelectric elementMURATA MANUFACTURING CO·Filed 2015·Granted May 15, 2018·0 cites·13 claims
- 3846US9418793B2Variable capacitance deviceUMEDA KEIICHI·Filed 2012·Granted Aug 16, 2016·0 cites·8 claims
- 3945US9355783B2Variable capacitance deviceUMEDA KEIICHI·Filed 2012·Granted May 31, 2016·0 cites·8 claims
- 4041US7414497B2Piezoelectric thin-film filterMURATA MANUFACTURING CO·Filed 2007·Granted Aug 19, 2008·0 cites·19 claims
- 4136US2010134210A1Piezoelectric Resonator and Piezoelectric Filter DeviceMURATA MANUFACTURING CO·Filed 2010·Application pending·0 cites
- 4232US2011102102A1DuplexerMURATA MANUFACTURING CO·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →