Inventor
KOIKE HARUNOBU
JP20 patents
Patents
20 patentsUS11766864B2Sep 26, 2023
Liquid ejecting head, liquid ejecting apparatus, and actuator
SEIKO EPSON CORP2 citations71
US12219876B2Feb 4, 2025
Method for producing piezoelectric actuator
SEIKO EPSON CORP0 citations62
US11173715B2Nov 16, 2021
Liquid discharge head and printer
SEIKO EPSON CORP0 citations62
US12023929B2Jul 2, 2024
Liquid ejecting head, liquid ejecting apparatus, and actuator
SEIKO EPSON CORP0 citations61
US11858270B2Jan 2, 2024
Liquid ejection head, liquid ejection apparatus, piezoelectric device, and method for manufacturing piezoelectric device
SEIKO EPSON CORP0 citations61
US11827019B2Nov 28, 2023
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations61
US11801678B2Oct 31, 2023
Piezoelectric device, liquid ejecting head, liquid ejecting apparatus, and method of manufacturing piezoelectric device
SEIKO EPSON CORP0 citations61
US11376850B2Jul 5, 2022
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations61
US11309483B2Apr 19, 2022
Piezoelectric element and liquid ejecting head
SEIKO EPSON CORP0 citations61
US12528293B2Jan 20, 2026
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations59
US12565042B2Mar 3, 2026
Liquid discharge head and liquid discharge apparatus
SEIKO EPSON CORP0 citations58
US11701885B2Jul 18, 2023
Liquid ejecting head, liquid ejecting apparatus, and actuator
SEIKO EPSON CORP0 citations52
US11571891B2Feb 7, 2023
Liquid discharge head
SEIKO EPSON CORP0 citations52
US11331916B2May 17, 2022
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US12441110B2Oct 14, 2025
Liquid ejecting head, liquid ejecting apparatus, and piezoelectric 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
US12017456B2Jun 25, 2024
Piezoelectric device, liquid ejecting head, liquid ejecting apparatus, and method of manufacturing piezoelectric device
SEIKO EPSON CORP0 citations50
US11938731B2Mar 26, 2024
Piezoelectric device and liquid ejecting head
SEIKO EPSON CORP0 citations50
US12552164B2Feb 17, 2026
Liquid discharge head and liquid discharge apparatus
SEIKO EPSON CORP0 citations47