Inventor · disambiguated record
Masakazu Hirose
Also filed as: HIROSE MASAKAZU
50 granted patents·7 pending applications·352 citations·filing 1982–2021
98Inventor score
Top patents by PatentIndex Score
57 records- 0195US11594206B2Electronic wind instrument and control method thereofROLAND CORP·Filed 2020·Granted Feb 28, 2023·3 cites·17 claims
- 0288US11239410B2Piezoelectric composition and piezoelectric elementTDK CORP·Filed 2018·Granted Feb 1, 2022·2 cites·14 claims
- 0388US11005028B2Piezoelectric composition and piezoelectric elementTDK CORP·Filed 2019·Granted May 11, 2021·4 cites·10 claims
- 0485US6445222B1Data output circuit with reduced output noiseMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Sep 3, 2002·17 cites·3 claims
- 0584US7291538B2Semiconductor memory device and manufacturing method of the sameRENESAS TECH CORP·Filed 2005·Granted Nov 6, 2007·8 cites·1 claims
- 0683US10497512B2Dielectric composition, dielectric element, electronic component and laminated electronic componentTDK ELECTRONICS AG·Filed 2016·Granted Dec 3, 2019·2 cites·14 claims
- 0783US5701090AData output circuit with reduced output noiseMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Dec 23, 1997·25 cites·3 claims
- 0882US9776925B2Dielectric composition, dielectric element, electronic component and laminated electronic componentEPCOS AG·Filed 2015·Granted Oct 3, 2017·2 cites·5 claims
- 0982US9773616B2Dielectric composition, dielectric element, electronic component and laminated electronic componentEPCOS AG·Filed 2015·Granted Sep 26, 2017·2 cites·5 claims
- 1082US6004474APiezoelectric ceramic compositionTDK CORP·Filed 1998·Granted Dec 21, 1999·46 cites·7 claims
- 1181US10475577B2Dielectric composition, dielectric element, electronic component and multi-layer electronic componentEPCOS AG·Filed 2016·Granted Nov 12, 2019·2 cites·13 claims
- 1281US7250796B2Semiconductor device including an output circuit having a reduced output noiseRENESAS TECH CORP·Filed 2005·Granted Jul 31, 2007·6 cites·2 claims
- 1381US6777986B2Data output circuit with reduced output noiseRENESAS TECH CORP·Filed 2002·Granted Aug 17, 2004·13 cites·2 claims
- 1479US8231803B2Piezoelectric ceramic and piezoelectric ceramic compositionFURUKAWA MASAHITO·Filed 2009·Granted Jul 31, 2012·6 cites·4 claims
- 1577US6461532B1Piezoelectric ceramic materialTDK CORP·Filed 2000·Granted Oct 8, 2002·17 cites·28 claims
- 1677US6163180AData output circuit with reduced output noiseMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Dec 19, 2000·17 cites·4 claims
- 1775US5390140ASignal output circuit operating stably and arrangement of power supply interconnection line therefor in semiconductor integrated circuit deviceMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Feb 14, 1995·23 cites·17 claims
- 1871US6398978B1Piezoelectric ceramicTDK CORP·Filed 2000·Granted Jun 4, 2002·10 cites·5 claims
- 1968US6975147B2Data output circuit with reduced output noiseRENESAS TECH CORP·Filed 2004·Granted Dec 13, 2005·6 cites·12 claims
- 2067US4470831APermselective membraneTORAY INDUSTRIES·Filed 1982·Granted Sep 11, 1984·23 cites·13 claims
- 2165US8142677B2Piezoelectric ceramic compositionHIROSE MASAKAZU·Filed 2005·Granted Mar 27, 2012·3 cites·5 claims
- 2265US6335887B1Semiconductor memory device allowing switching of word configurationMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Jan 1, 2002·14 cites·12 claims
- 2363US7839060B2Piezoelectric ceramic composition and oscillatorTDK CORP·Filed 2008·Granted Nov 23, 2010·1 cites·7 claims
- 2462US6551522B2Piezoelectric ceramicsTDK CORP·Filed 2001·Granted Apr 22, 2003·6 cites·8 claims
- 2561US12232421B2Piezoelectric composition and electronic componentTDK CORP·Filed 2021·Granted Feb 18, 2025·0 cites·14 claims
- 2660US11659769B2Piezoelectric composition and piezoelectric elementTDK CORP·Filed 2018·Granted May 23, 2023·0 cites·8 claims
- 2760US11195986B2Piezoelectric composition and piezoelectric elementTDK CORP·Filed 2018·Granted Dec 7, 2021·0 cites·12 claims
- 2860US6241908B1Piezoelectric ceramicsTDK CORP·Filed 1999·Granted Jun 5, 2001·17 cites·17 claims
- 2959US7390426B2Piezoelectric ceramicTDK CORP·Filed 2004·Granted Jun 24, 2008·4 cites·9 claims
- 3058US6452861B1Semiconductor memory device allowing simultaneous inputting of N data signalsMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Sep 17, 2002·10 cites·5 claims
- 3157US10504650B2Multi-layer ceramic capacitorTDK ELECTRONICS AG·Filed 2016·Granted Dec 10, 2019·0 cites·17 claims
- 3256US11271147B2Piezoelectric composition and piezoelectric elementTDK CORP·Filed 2019·Granted Mar 8, 2022·0 cites·4 claims
- 3356US10490350B2Dielectric composition, dielectric element, electronic component and multi-layer electronic componentTDK ELECTRONICS AG·Filed 2016·Granted Nov 26, 2019·0 cites·17 claims
- 3456US10438745B2Dielectric composition, dielectric element, electronic component and laminated electronic componentTDK ELECTRONICS AG·Filed 2016·Granted Oct 8, 2019·0 cites·17 claims
- 3556US6685850B2Piezoelectric ceramic materialTDK CORP·Filed 2001·Granted Feb 3, 2004·3 cites·11 claims
- 3656US6080327APiezoelectric ceramic compositionTDK CORP·Filed 1999·Granted Jun 27, 2000·15 cites·1 claims
- 3755US9911536B2Dielectric composition, dielectric element, electronic component and laminated electronic componentEPCOS AG·Filed 2015·Granted Mar 6, 2018·0 cites·6 claims
- 3854US10497514B2Dielectric composition, dielectric element, electronic component and laminated electric componentTDK ELECTRONICS AG·Filed 2016·Granted Dec 3, 2019·0 cites·20 claims
- 3954US7541716B2ResonatorTDK CORP·Filed 2006·Granted Jun 2, 2009·3 cites·7 claims
- 4054US5568267ASimple transmittance-measuring instrumentTAISEI CHEMICAL IND LTD·Filed 1995·Granted Oct 22, 1996·21 cites·7 claims
- 4153US6965148B2Semiconductor memory device and manufacturing method of the sameRENESAS TECH CORP·Filed 2002·Granted Nov 15, 2005·4 cites·6 claims
- 4253US5933048AData output circuit with reduced output noiseMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Aug 3, 1999·6 cites·15 claims
- 4352US7498207B2Semiconductor memory device and manufacturing method of the sameRENESAS TECH CORP·Filed 2007·Granted Mar 3, 2009·0 cites·2 claims
- 4449US6404102B1Piezoelectric resonator and piezoelectric resonator partTDK CORP·Filed 2000·Granted Jun 11, 2002·4 cites·24 claims
- 4548US2009065731A1Method for producing piezoelectric ceramicTDK CORP·Filed 2008·Application pending·0 cites
- 4646US10475576B2Dielectric composition, dielectric element, electronic component and laminated electronic componentTDK ELECTRONICS AG·Filed 2016·Granted Nov 12, 2019·0 cites·14 claims
- 4746US10450234B2Dielectric composition, dielectric element, electronic component and laminated electronic componentTDK ELECTRONICS AG·Filed 2016·Granted Oct 22, 2019·0 cites·14 claims
- 4846US6914300B2Semiconductor deviceRENESAS TECH CORP·Filed 2003·Granted Jul 5, 2005·2 cites·5 claims
- 4946US2007132488A1Data output circuit with reduced output noiseRENESAS TECH CORP·Filed 2007·Application pending·0 cites
- 5046US2008258100A1Piezoelectric ceramic composition and resonatorTDK CORP·Filed 2007·Application pending·0 cites
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →