Inventor
FUKUZAWA YUMA
JP62 patents
⚠️ This page may combine multiple inventors who share the name “FUKUZAWA YUMA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
48 patentsUS9144980B2Sep 29, 2015
Liquid ejecting apparatus
SEIKO EPSON CORP10 citations84
US9132637B2Sep 15, 2015
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP5 citations84
US11331917B2May 17, 2022
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP2 citations73
US11225072B2Jan 18, 2022
Liquid ejecting head and liquid ejecting system
SEIKO EPSON CORP3 citations73
US11104128B2Aug 31, 2021
Liquid ejecting head and liquid ejecting system
SEIKO EPSON CORP3 citations73
US11007789B2May 18, 2021
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP2 citations73
US10894408B2Jan 19, 2021
Liquid discharging head and liquid discharging apparatus
SEIKO EPSON CORP3 citations73
US10870274B2Dec 22, 2020
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP3 citations73
US9662882B2May 30, 2017
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP2 citations73
US9533505B2Jan 3, 2017
Liquid ejecting apparatus
SEIKO EPSON CORP3 citations73
US9340019B2May 17, 2016
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP2 citations63
US9308727B2Apr 12, 2016
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP2 citations63
US8523326B2Sep 3, 2013
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP3 citations63
US12076991B2Sep 3, 2024
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations62
US11766862B2Sep 26, 2023
Liquid ejecting head and liquid ejecting system
SEIKO EPSON CORP0 citations62
US11738557B2Aug 29, 2023
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations62
US11618265B2Apr 4, 2023
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations62
US11577509B2Feb 14, 2023
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations62
US11491785B2Nov 8, 2022
Liquid ejecting head and liquid ejecting system
SEIKO EPSON CORP0 citations62
US10987928B2Apr 27, 2021
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations62
US10906311B2Feb 2, 2021
Liquid ejecting head, liquid ejecting apparatus, and manufacturing method thereof
SEIKO EPSON CORP1 citations62
US12269265B2Apr 8, 2025
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US11766865B2Sep 26, 2023
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US11654681B2May 23, 2023
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US11548280B2Jan 10, 2023
Liquid ejecting head and liquid ejecting system
SEIKO EPSON CORP0 citations52
US11413863B2Aug 16, 2022
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US11225073B2Jan 18, 2022
Liquid ejecting head and liquid ejecting system
SEIKO EPSON CORP0 citations52
US11046075B2Jun 29, 2021
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US10946656B2Mar 16, 2021
Liquid ejection head and liquid ejection apparatus
SEIKO EPSON CORP0 citations52
US10639898B2May 5, 2020
Liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US10195858B2Feb 5, 2019
Liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US9962935B2May 8, 2018
Piezoelectric device, liquid ejection head, and liquid ejection apparatus
SEIKO EPSON CORP0 citations52
US9751307B2Sep 5, 2017
Piezoelectric device, liquid ejection head, and liquid ejection apparatus
SEIKO EPSON CORP1 citations52
US9375921B2Jun 28, 2016
Piezoelectric element, liquid ejecting head, and liquid ejecting apparatus
SEIKO EPSON CORP1 citations52
US9308724B2Apr 12, 2016
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US8801154B2Aug 12, 2014
Liquid ejection head and liquid ejection apparatus
SEIKO EPSON CORP1 citations52
US12311666B2May 27, 2025
Liquid ejecting head, liquid ejecting apparatus, and nozzle substrate
SEIKO EPSON CORP0 citations51
US12138925B2Nov 12, 2024
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations51
US11833818B2Dec 5, 2023
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations51
US11554584B2Jan 17, 2023
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations51
US12370796B2Jul 29, 2025
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations50
US12370795B2Jul 29, 2025
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations50
US12202266B2Jan 21, 2025
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations50
US11345151B2May 31, 2022
Liquid discharge head and liquid discharge apparatus
SEIKO EPSON CORP0 citations50
US12491714B2Dec 9, 2025
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations49
US10105952B2Oct 23, 2018
Method for manufacturing liquid ejecting head and liquid ejecting head
SEIKO EPSON CORP0 citations48
US10857795B2Dec 8, 2020
Liquid ejection head, liquid ejection apparatus, and method of manufacturing liquid ejection head
SEIKO EPSON CORP0 citations42
US10807366B2Oct 20, 2020
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations42
MIYATA YOSHINAO
1 patentGAO YUE
1 patentShowing the top 50 of 62 patents by PatentIndex Score.