Inventor
MOROZUMI KOICHI
JP32 patents
⚠️ This page may combine multiple inventors who share the name “MOROZUMI KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
17 patentsUS6339277B1Jan 15, 2002
Surface acoustic wave device
SEIKO EPSON CORP13 citations73
US10134527B2Nov 20, 2018
Electronic device, piezoelectric device, liquid ejecting head, and manufacturing methods for electronic device, piezoelectric device, and liquid ejecting head
SEIKO EPSON CORP2 citations72
US9840077B2Dec 12, 2017
Electronic device, piezoelectric device, liquid ejecting head, and manufacturing methods for electronic device, piezoelectric device, and liquid ejecting head
SEIKO EPSON CORP3 citations72
US9694580B2Jul 4, 2017
Electronic device, piezoelectric device, liquid ejecting head, and manufacturing methods for electronic device, piezoelectric device, and liquid ejecting head
SEIKO EPSON CORP2 citations72
US9065051B2Jun 23, 2015
Liquid ejecting head, liquid ejecting apparatus, and piezoelectric element
SEIKO EPSON CORP4 citations69
US11535034B2Dec 27, 2022
Piezoelectric element and liquid ejecting head including piezoelectric layer having improved lattice ratio
SEIKO EPSON CORP0 citations62
US11309483B2Apr 19, 2022
Piezoelectric element and liquid ejecting head
SEIKO EPSON CORP0 citations61
US11374162B2Jun 28, 2022
Piezoelectric element, method for manufacturing the same, and piezoelectric element-applied device
SEIKO EPSON CORP0 citations52
US10686117B2Jun 16, 2020
Piezoelectric element and liquid ejection head
SEIKO EPSON CORP0 citations52
US6566788B2May 20, 2003
Surface acoustic wave device
SEIKO EPSON CORP1 citations52
US10756250B2Aug 25, 2020
Piezoelectric element and piezoelectric element application device
SEIKO EPSON CORP0 citations51
US10608165B2Mar 31, 2020
Piezoelectric element and liquid ejecting head
SEIKO EPSON CORP0 citations51
US10580958B2Mar 3, 2020
Piezoelectric element and liquid ejection head
SEIKO EPSON CORP0 citations51
US10573463B2Feb 25, 2020
Electronic device, piezoelectric device, liquid ejecting head, and manufacturing methods for electronic device, piezoelectric device, and liquid ejecting head
SEIKO EPSON CORP0 citations51
US9252353B2Feb 2, 2016
Piezoelectric element, liquid ejecting head, liquid ejecting apparatus, and sensor
SEIKO EPSON CORP0 citations51
US8376527B2Feb 19, 2013
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations51
US7992973B2Aug 9, 2011
Liquid ejecting head, liquid ejecting apparatus, and piezoelectric element
SEIKO EPSON CORP0 citations51
MIYAZAWA HIROMU
7 patentsUS8534802B2Sep 17, 2013
Liquid ejecting head, liquid ejecting apparatus and actuator device
MIYAZAWA HIROMU5 citations73
US8646879B2Feb 11, 2014
Piezoelectric element, liquid ejecting head, and liquid ejecting apparatus
MIYAZAWA HIROMU2 citations62
US8820898B2Sep 2, 2014
Droplet-ejecting head, droplet-ejecting apparatus, and piezoelectric element
MIYAZAWA HIROMU1 citations52
US8210662B2Jul 3, 2012
Liquid-ejecting head, liquid-ejecting apparatus and actuator device
MIYAZAWA HIROMU0 citations52
US8608297B2Dec 17, 2013
Piezoelectric element, liquid ejecting head, and liquid ejecting apparatus
MIYAZAWA HIROMU0 citations51
US8608294B2Dec 17, 2013
Piezoelectric element, liquid ejecting head, and liquid ejecting apparatus
MIYAZAWA HIROMU0 citations51
US8608295B2Dec 17, 2013
Piezoelectric element, liquid ejecting head, and liquid ejecting apparatus
MIYAZAWA HIROMU0 citations51
MOROZUMI KOICHI
6 patentsUS8262202B2Sep 11, 2012
Liquid ejecting head, liquid ejecting apparatus and piezoelectric element
MOROZUMI KOICHI5 citations60
US8079677B2Dec 20, 2011
Liquid ejecting head, liquid ejecting apparatus, and piezoelectric actuator
MOROZUMI KOICHI4 citations60
US8573751B2Nov 5, 2013
Piezoelectric element, liquid ejecting head, and liquid ejecting apparatus
MOROZUMI KOICHI0 citations50
US8491104B2Jul 23, 2013
Liquid-ejecting head, liquid-ejecting apparatus, and piezoelectric transducer
MOROZUMI KOICHI0 citations50
US8083330B2Dec 27, 2011
Liquid-ejecting head, liquid-ejecting apparatus, and piezoelectric transducer
MOROZUMI KOICHI0 citations50
US8567919B2Oct 29, 2013
Piezoelectric element, piezoelectric actuator, liquid ejecting head, and liquid ejecting apparatus
MOROZUMI KOICHI0 citations39