Inventor
ITAYAMA YASUHIRO
JP21 patents
Patents
21 patentsUS12219876B2Feb 4, 2025
Method for producing piezoelectric actuator
SEIKO EPSON CORP0 citations62
US11173715B2Nov 16, 2021
Liquid discharge head and printer
SEIKO EPSON CORP0 citations62
US10833244B2Nov 10, 2020
Piezoelectric element and method for manufacturing same
SEIKO EPSON CORP1 citations62
US11673392B2Jun 13, 2023
Piezoelectric device, liquid ejecting head, liquid ejecting apparatus, and method for producing piezoelectric device
SEIKO EPSON CORP0 citations61
US10916693B2Feb 9, 2021
Piezoelectric element and piezoelectric element-based device
SEIKO EPSON CORP0 citations61
US10173422B2Jan 8, 2019
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP1 citations61
US8678563B2Mar 25, 2014
Liquid ejecting head, liquid ejecting apparatus, and piezoelectric element
SEIKO EPSON CORP3 citations61
US12528293B2Jan 20, 2026
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations59
US11691416B2Jul 4, 2023
Piezoelectric element, liquid ejecting head, and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US11135844B2Oct 5, 2021
Liquid discharge head and printer
SEIKO EPSON CORP0 citations52
US11020973B2Jun 1, 2021
Piezoelectric device, liquid ejecting head, liquid ejecting apparatus, and manufacturing method of piezoelectric device
SEIKO EPSON CORP0 citations52
US11865838B2Jan 9, 2024
Piezoelectric device, liquid ejecting head, liquid ejecting apparatus, and method of manufacturing piezoelectric device
SEIKO EPSON CORP0 citations51
US9887344B2Feb 6, 2018
Piezoelectric element, piezoelectric actuator device, liquid ejecting head, liquid ejecting apparatus, and ultrasonic measuring apparatus
SEIKO EPSON CORP0 citations51
US9728709B2Aug 8, 2017
Piezoelectric element, piezoelectric actuator device, liquid ejecting head, liquid ejecting apparatus, and ultrasonic wave measurement apparatus
SEIKO EPSON CORP0 citations51
US11878525B2Jan 23, 2024
Liquid ejection head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations50
US11611034B2Mar 21, 2023
Piezoelectric element and liquid droplet ejection head
SEIKO EPSON CORP0 citations50
US10784436B2Sep 22, 2020
Piezoelectric sensor and piezoelectric device
SEIKO EPSON CORP0 citations50
US10263175B2Apr 16, 2019
Piezoelectric element and piezoelectric element-applied device
SEIKO EPSON CORP0 citations50
US9254651B2Feb 9, 2016
Liquid ejecting head, liquid ejecting apparatus, piezoelectric element, and methods of manufacturing liquid ejecting head, liquid ejecting apparatus, and piezoelectric element
SEIKO EPSON CORP0 citations50
US12064967B2Aug 20, 2024
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations49
US9662881B2May 30, 2017
Liquid ejecting head
SEIKO EPSON CORP0 citations42