Inventor
KATO JIRO
JP49 patents
⚠️ This page may combine multiple inventors who share the name “KATO JIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
15 patentsUS9144977B2Sep 29, 2015
Liquid ejection head and liquid ejection apparatus
SEIKO EPSON CORP5 citations84
US10059101B2Aug 28, 2018
Liquid ejection head and liquid ejection apparatus
SEIKO EPSON CORP2 citations73
US9498952B2Nov 22, 2016
Liquid ejection head and liquid ejection apparatus
SEIKO EPSON CORP2 citations63
US8727510B2May 20, 2014
Liquid ejection head and liquid ejection apparatus
SEIKO EPSON CORP2 citations63
US11731421B2Aug 22, 2023
Liquid ejecting apparatus control method and liquid ejecting apparatus
SEIKO EPSON CORP0 citations62
US11458728B2Oct 4, 2022
Liquid ejecting apparatus control method and liquid ejecting apparatus
SEIKO EPSON CORP0 citations62
US12426510B2Sep 23, 2025
Piezoelectric element
SEIKO EPSON CORP0 citations52
US9804177B2Oct 31, 2017
Stimulus-responsive gel material
SEIKO EPSON CORP0 citations52
US9272507B2Mar 1, 2016
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP1 citations52
US9114613B2Aug 25, 2015
Liquid-ejecting head, liquid-ejecting apparatus, and piezoelectric device
SEIKO EPSON CORP0 citations52
US8926070B2Jan 6, 2015
Liquid-ejecting head, liquid-ejecting apparatus, and piezoelectric device
SEIKO EPSON CORP0 citations52
US7950782B2May 31, 2011
Droplet discharging head, energy converter, piezoelectric device, MEMS structure, cantilever actuator, piezoelectric sensor, and piezoelectric linear motor
SEIKO EPSON CORP1 citations52
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
US9050800B2Jun 9, 2015
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations48
MIYAZAWA HIROMU
7 patentsUS8752938B2Jun 17, 2014
Liquid ejecting head and liquid ejecting apparatus
MIYAZAWA HIROMU4 citations73
US8534802B2Sep 17, 2013
Liquid ejecting head, liquid ejecting apparatus and actuator device
MIYAZAWA HIROMU5 citations73
US8080924B2Dec 20, 2011
Liquid ejecting head, liquid ejecting apparatus, and actuator device
MIYAZAWA HIROMU2 citations62
US8636341B2Jan 28, 2014
Liquid ejecting head and liquid ejecting apparatus
MIYAZAWA HIROMU1 citations52
US8461747B2Jun 11, 2013
Liquid ejecting head, liquid ejecting apparatus, and actuator device
MIYAZAWA HIROMU0 citations52
US8449084B2May 28, 2013
Liquid ejection head and liquid ejection apparatus
MIYAZAWA HIROMU1 citations52
US8210662B2Jul 3, 2012
Liquid-ejecting head, liquid-ejecting apparatus and actuator device
MIYAZAWA HIROMU0 citations52
MAZDA MOTOR
7 patentsUS9611777B2Apr 4, 2017
Exhaust device of multi-cylinder engine
MAZDA MOTOR2 citations67
US11378041B2Jul 5, 2022
Air intake device for engine
MAZDA MOTOR0 citations49
US10900411B2Jan 26, 2021
Engine with supercharger arrangement
MAZDA MOTOR0 citations48
US11236706B2Feb 1, 2022
Evaporated fuel treatment device for engine
MAZDA MOTOR0 citations47
US11280301B2Mar 22, 2022
Intake device of engine
MAZDA MOTOR0 citations45
US10788001B2Sep 29, 2020
Structure of mounting intake air temperature sensor of engine with supercharger
MAZDA MOTOR0 citations38
US10598074B2Mar 24, 2020
Exhaust device of multiple-cylinder engine
MAZDA MOTOR0 citations36
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
HIRAI EIJU
3 patentsUS8262203B2Sep 11, 2012
Liquid ejecting head and liquid ejecting apparatus
HIRAI EIJU8 citations83
US8459783B2Jun 11, 2013
Liquid ejecting head and liquid ejecting apparatus
HIRAI EIJU6 citations72
US8914955B2Dec 23, 2014
Method for manufacturing piezoelectric element and method for manufacturing liquid ejection head
HIRAI EIJU1 citations51
KATO JIRO
3 patentsUS8491101B2Jul 23, 2013
Liquid ejecting head and liquid ejecting apparatus
KATO JIRO2 citations57
US8851631B2Oct 7, 2014
Liquid ejecting head and liquid ejecting apparatus
KATO JIRO0 citations48
US8141991B2Mar 27, 2012
Liquid ejecting head, liquid ejecting apparatus, and piezoelectric actuator
KATO JIRO0 citations48