Inventor · disambiguated record
Koichi Morozumi
Also filed as: MOROZUMI KOICHI
32 granted patents·3 pending applications·42 citations·filing 1999–2022
94Inventor score
Top patents by PatentIndex Score
35 records- 0190US9840077B2Electronic device, piezoelectric device, liquid ejecting head, and manufacturing methods for electronic device, piezoelectric device, and liquid ejecting headSEIKO EPSON CORP·Filed 2017·Granted Dec 12, 2017·3 cites·8 claims
- 0289US10134527B2Electronic device, piezoelectric device, liquid ejecting head, and manufacturing methods for electronic device, piezoelectric device, and liquid ejecting headSEIKO EPSON CORP·Filed 2017·Granted Nov 20, 2018·2 cites·8 claims
- 0388US9694580B2Electronic device, piezoelectric device, liquid ejecting head, and manufacturing methods for electronic device, piezoelectric device, and liquid ejecting headSEIKO EPSON CORP·Filed 2016·Granted Jul 4, 2017·2 cites·6 claims
- 0483US9065051B2Liquid ejecting head, liquid ejecting apparatus, and piezoelectric elementSEIKO EPSON CORP·Filed 2014·Granted Jun 23, 2015·4 cites·11 claims
- 0577US8262202B2Liquid ejecting head, liquid ejecting apparatus and piezoelectric elementMOROZUMI KOICHI·Filed 2009·Granted Sep 11, 2012·5 cites·17 claims
- 0674US8646879B2Piezoelectric element, liquid ejecting head, and liquid ejecting apparatusMIYAZAWA HIROMU·Filed 2012·Granted Feb 11, 2014·2 cites·4 claims
- 0774US8079677B2Liquid ejecting head, liquid ejecting apparatus, and piezoelectric actuatorMOROZUMI KOICHI·Filed 2009·Granted Dec 20, 2011·4 cites·6 claims
- 0872US8534802B2Liquid ejecting head, liquid ejecting apparatus and actuator deviceMIYAZAWA HIROMU·Filed 2009·Granted Sep 17, 2013·5 cites·16 claims
- 0969US10573463B2Electronic device, piezoelectric device, liquid ejecting head, and manufacturing methods for electronic device, piezoelectric device, and liquid ejecting headSEIKO EPSON CORP·Filed 2018·Granted Feb 25, 2020·0 cites·8 claims
- 1068US8820898B2Droplet-ejecting head, droplet-ejecting apparatus, and piezoelectric elementMIYAZAWA HIROMU·Filed 2010·Granted Sep 2, 2014·1 cites·16 claims
- 1163US10580958B2Piezoelectric element and liquid ejection headSEIKO EPSON CORP·Filed 2018·Granted Mar 3, 2020·0 cites·20 claims
- 1261US11535034B2Piezoelectric element and liquid ejecting head including piezoelectric layer having improved lattice ratioSEIKO EPSON CORP·Filed 2018·Granted Dec 27, 2022·0 cites·12 claims
- 1360US6339277B1Surface acoustic wave deviceSEIKO EPSON CORP·Filed 1999·Granted Jan 15, 2002·13 cites·15 claims
- 1460US2023205068A1Light-emitting device, projector, and displaySOPHIA SCHOOL CORP·Filed 2022·Application pending·0 cites
- 1558US11309483B2Piezoelectric element and liquid ejecting headSEIKO EPSON CORP·Filed 2019·Granted Apr 19, 2022·0 cites·18 claims
- 1658US10608165B2Piezoelectric element and liquid ejecting headSEIKO EPSON CORP·Filed 2018·Granted Mar 31, 2020·0 cites·9 claims
- 1755US10756250B2Piezoelectric element and piezoelectric element application deviceSEIKO EPSON CORP·Filed 2017·Granted Aug 25, 2020·0 cites·4 claims
- 1853US10686117B2Piezoelectric element and liquid ejection headSEIKO EPSON CORP·Filed 2019·Granted Jun 16, 2020·0 cites·12 claims
- 1953US8491104B2Liquid-ejecting head, liquid-ejecting apparatus, and piezoelectric transducerMOROZUMI KOICHI·Filed 2011·Granted Jul 23, 2013·0 cites·8 claims
- 2052US11374162B2Piezoelectric element, method for manufacturing the same, and piezoelectric element-applied deviceSEIKO EPSON CORP·Filed 2018·Granted Jun 28, 2022·0 cites·16 claims
- 2152US8083330B2Liquid-ejecting head, liquid-ejecting apparatus, and piezoelectric transducerMOROZUMI KOICHI·Filed 2009·Granted Dec 27, 2011·0 cites·13 claims
- 2251US8608297B2Piezoelectric element, liquid ejecting head, and liquid ejecting apparatusMIYAZAWA HIROMU·Filed 2012·Granted Dec 17, 2013·0 cites·4 claims
- 2351US8210662B2Liquid-ejecting head, liquid-ejecting apparatus and actuator deviceMIYAZAWA HIROMU·Filed 2009·Granted Jul 3, 2012·0 cites·8 claims
- 2450US8746856B2Piezoelectric element, liquid ejecting head, and liquid ejecting apparatusSAKAI TOMOHIRO·Filed 2012·Granted Jun 10, 2014·0 cites·6 claims
- 2549US8770723B2Piezoelectric element, liquid ejecting head, and liquid ejecting apparatusSAKAI TOMOHIRO·Filed 2011·Granted Jul 8, 2014·0 cites·8 claims
- 2649US7992973B2Liquid ejecting head, liquid ejecting apparatus, and piezoelectric elementSEIKO EPSON CORP·Filed 2009·Granted Aug 9, 2011·0 cites·9 claims
- 2748US9252353B2Piezoelectric element, liquid ejecting head, liquid ejecting apparatus, and sensorSEIKO EPSON CORP·Filed 2015·Granted Feb 2, 2016·0 cites·9 claims
- 2848US8608295B2Piezoelectric element, liquid ejecting head, and liquid ejecting apparatusMIYAZAWA HIROMU·Filed 2012·Granted Dec 17, 2013·0 cites·4 claims
- 2948US8608294B2Piezoelectric element, liquid ejecting head, and liquid ejecting apparatusMIYAZAWA HIROMU·Filed 2012·Granted Dec 17, 2013·0 cites·4 claims
- 3046US8376527B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2011·Granted Feb 19, 2013·0 cites·6 claims
- 3143US8573751B2Piezoelectric element, liquid ejecting head, and liquid ejecting apparatusMOROZUMI KOICHI·Filed 2010·Granted Nov 5, 2013·0 cites·7 claims
- 3241US6566788B2Surface acoustic wave deviceSEIKO EPSON CORP·Filed 2001·Granted May 20, 2003·1 cites·2 claims
- 3339US2012162320A1Piezoelectric element, liquid ejecting head, and liquid ejecting apparatusMIYAZAWA HIROMU·Filed 2011·Application pending·0 cites
- 3438US8567919B2Piezoelectric element, piezoelectric actuator, liquid ejecting head, and liquid ejecting apparatusMOROZUMI KOICHI·Filed 2010·Granted Oct 29, 2013·0 cites·6 claims
- 3538US2018091067A1Piezoelectric element, piezoelectric actuator, piezoelectric motor, robot, electronic component transporting apparatus, printer, ultrasonic transducer, and method of manufacturing piezoelectric elementSEIKO EPSON CORP·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →