Inventor · disambiguated record
Takaaki Koizumi
Also filed as: KOIZUMI TAKAAKI
39 granted patents·14 pending applications·155 citations·filing 1987–2025
96Inventor score
Top patents by PatentIndex Score
53 records- 0190US7576477B2Piezoelectric/electrostrictive porcelain composition and method of manufacturing the sameNGK INSULATORS LTD·Filed 2006·Granted Aug 18, 2009·17 cites·3 claims
- 0287US10288598B2Electrostatic capacitance detection deviceAISIN SEIKI·Filed 2016·Granted May 14, 2019·4 cites·8 claims
- 0387US4804574ALaminated printed coil structureSONY CORP·Filed 1987·Granted Feb 14, 1989·72 cites·1 claims
- 0484US7332851B2Piezoelectric/electrostrictive film type device and method of manufacturing the sameNGK INSULATORS LTD·Filed 2005·Granted Feb 19, 2008·7 cites·30 claims
- 0583US8237338B2Ceramic, and piezoelectric/electrostriction elementKOIZUMI TAKAAKI·Filed 2011·Granted Aug 7, 2012·6 cites·4 claims
- 0681US8042239B2Piezoelectric/electrostrictive element and method of manufacturing the sameNGK INSULATORS LTD·Filed 2009·Granted Oct 25, 2011·9 cites·5 claims
- 0781US7728493B2Piezoelectric/electrostrictive material, piezoelectric/electrostrictive body, and piezoelectric/electrostrictive elementNGK INSULATORS LTD·Filed 2007·Granted Jun 1, 2010·4 cites·14 claims
- 0878US10807628B2Steering apparatusAISIN SEIKI·Filed 2019·Granted Oct 20, 2020·3 cites·20 claims
- 0975US11654952B2Steering deviceAISIN CORP·Filed 2019·Granted May 23, 2023·2 cites·17 claims
- 1075US7714480B2Piezoelectric/electrostrictive membrane sensorNGK INSULATORS LTD·Filed 2008·Granted May 11, 2010·4 cites·8 claims
- 1170US6531070B1Piezoelectric bodyNGK INSULATORS LTD·Filed 2000·Granted Mar 11, 2003·10 cites·2 claims
- 1269US8721913B2Lead-based piezoelectric material and production method thereforKOIZUMI TAKAAKI·Filed 2011·Granted May 13, 2014·1 cites·5 claims
- 1369US2025301293A1Communication control system and vehicle exterior antenna deviceAISIN CORP·Filed 2025·Application pending·0 cites
- 1469US2024186593A1Remote monitoring system and maintenance method for item and/or batteryNGK INSULATORS LTD·Filed 2024·Application pending·0 cites
- 1568US9115031B2Ceramic, and piezoelectric/electrostriction elementKOIZUMI TAKAAKI·Filed 2011·Granted Aug 25, 2015·2 cites·4 claims
- 1668US8479364B2Piezoelectric/electrostrictive element and method of manufacturing the sameKOIZUMI TAKAAKI·Filed 2011·Granted Jul 9, 2013·2 cites·1 claims
- 1765US8410668B2Crystal oriented ceramic composite body, and piezoelectric/electrostrictive elementKOIZUMI TAKAAKI·Filed 2011·Granted Apr 2, 2013·1 cites·9 claims
- 1863US7441317B2Piezoelectric/electrostrictive device and method for manufacturing the sameNGK INSULATORS LTD·Filed 2005·Granted Oct 28, 2008·3 cites·4 claims
- 1962US8871111B2Piezoelectric/electrostrictive ceramic compositionHIBINO TOMOHIKO·Filed 2009·Granted Oct 28, 2014·2 cites·1 claims
- 2062US6887397B2Piezoelectric/electrostrictive material and process for production thereofNGK INSULATORS LTD·Filed 2002·Granted May 3, 2005·5 cites·22 claims
- 2159US9412930B2Laminated body and piezoelectric/electrostrictive elementNGK INSULATORS LTD·Filed 2014·Granted Aug 9, 2016·0 cites·5 claims
- 2259US7651655B2Production methods of dielectric layer and dielectric element, dielectric element, and piezoelectric transformerNGK INSULATORS LTD·Filed 2005·Granted Jan 26, 2010·1 cites·9 claims
- 2359US2024248122A1Communication apparatus, smart meter, and secondary batteryNGK INSULATORS LTD·Filed 2024·Application pending·0 cites
- 2457US7943192B2Piezoelectric/electrostrictive film type element and manufacturing method thereofNGK INSULATORS LTD·Filed 2007·Granted May 17, 2011·0 cites·6 claims
- 2557US2025153683A1Control systemAISIN COPORATION·Filed 2024·Application pending·0 cites
- 2653US9242463B2Liquid-jet head and liquid-jet apparatusSEIKO EPSON CORP·Filed 2014·Granted Jan 26, 2016·0 cites·12 claims
- 2753US8631548B2Method for producing crystallographically oriented ceramicKOIZUMI TAKAAKI·Filed 2009·Granted Jan 21, 2014·0 cites·18 claims
- 2853US7876023B2Piezoelectric/electrostrictive membrane sensorNGK INSULATORS LTD·Filed 2008·Granted Jan 25, 2011·0 cites·9 claims
- 2952US10883858B2Vehicle human detection deviceAISIN SEIKI·Filed 2019·Granted Jan 5, 2021·0 cites·13 claims
- 3050US8080923B2Piezoelectric/electrostrictive membrane elementKOIZUMI TAKAAKI·Filed 2008·Granted Dec 20, 2011·0 cites·7 claims
- 3150US2022145674A1Door handle deviceAISIN CORP·Filed 2021·Application pending·0 cites
- 3249US11731586B2Locking and unlocking module and door handle moduleAISIN CORP·Filed 2021·Granted Aug 22, 2023·0 cites·8 claims
- 3349US9701117B2Liquid-jet head and liquid-jet apparatusSEIKO EPSON CORP·Filed 2014·Granted Jul 11, 2017·0 cites·5 claims
- 3447US8501080B2Method for producing crystallographically oriented ceramicKOIZUMI TAKAAKI·Filed 2010·Granted Aug 6, 2013·0 cites·11 claims
- 3546US8636945B2Method for producing crystalline particles and method for producing crystallographically oriented ceramicKOIZUMI TAKAAKI·Filed 2010·Granted Jan 28, 2014·0 cites·8 claims
- 3646US8410670B2Laminate and method of manufacturing the sameKOIZUMI TAKAAKI·Filed 2012·Granted Apr 2, 2013·0 cites·2 claims
- 3745US11030836B2Door lock system and handle of door for vehicleAISIN SEIKI·Filed 2019·Granted Jun 8, 2021·0 cites·9 claims
- 3845US9553252B2Piezoelectric/electrostrictive film type element containing lead zirconate titanate and a bismuth compound and method for producing the sameNGK INSULATORS LTD·Filed 2014·Granted Jan 24, 2017·0 cites·2 claims
- 3945US2011284387A1Method for immobilizing particles and method for producing particle-immobilized substrateKOIZUMI TAKAAKI·Filed 2011·Application pending·0 cites
- 4044US6702952B2Piezoelectric/electrostrictive material and method for preparing the sameNGK INSULATORS LTD·Filed 2002·Granted Mar 9, 2004·0 cites·5 claims
- 4143US10227797B2Door handle device for vehicleAISIN SEIKI·Filed 2017·Granted Mar 12, 2019·0 cites·16 claims
- 4242US9945160B2Vehicle door locking systemAISIN SEIKI·Filed 2016·Granted Apr 17, 2018·0 cites·10 claims
- 4341US11391764B2Capacitance sensorAISIN CORP·Filed 2020·Granted Jul 19, 2022·0 cites·9 claims
- 4441US10152839B2Antenna driving apparatusAISIN SEIKI·Filed 2016·Granted Dec 11, 2018·0 cites·6 claims
- 4541US2007220724A1Manufacturing method of piezoelectric/electrostrictive deviceNGK INSULATORS LTD·Filed 2007·Application pending·0 cites
- 4641US2014091678A1LaminateNGK INSULATORS LTD·Filed 2013·Application pending·0 cites
- 4739US2013101832A1Noble metal coating and manufacturing method thereofNGK INSULATORS LTD·Filed 2012·Application pending·0 cites
- 4838US2011234044A1Piezoelectric/electrostrictive ceramic, manufacturing method for piezoelectric/electrostrictive ceramic, piezoelectric/ electrostrictive element, and manufacturing method for piezoelectric/electrostrictive elementNGK INSULATORS LTD·Filed 2010·Application pending·0 cites
- 4938US2022147079A1Sensor moduleAISIN CORP·Filed 2021·Application pending·0 cites
- 5037US2016222702A1Opening/closing member opening/closing apparatusAISIN SEIKI·Filed 2016·Application pending·0 cites
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →