Inventor
WATANABE EIICHIRO
JP43 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE EIICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
31 patentsUS11840085B2Dec 12, 2023
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP2 citations73
US11827016B2Nov 28, 2023
Liquid ejecting apparatus
SEIKO EPSON CORP2 citations73
US9994024B2Jun 12, 2018
Liquid ejecting apparatus with movable head unit
SEIKO EPSON CORP3 citations72
US10569559B2Feb 25, 2020
Liquid ejecting apparatus
SEIKO EPSON CORP2 citations71
US12187047B2Jan 7, 2025
Flow passage member, liquid ejecting head, liquid ejecting apparatus, and method for manufacturing flow passage member
SEIKO EPSON CORP1 citations64
US12508809B2Dec 30, 2025
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations62
US11691445B2Jul 4, 2023
Liquid ejecting apparatus and method of fixing liquid ejecting head
SEIKO EPSON CORP0 citations62
US7841693B2Nov 30, 2010
Tube pump, liquid ejecting apparatus, and method of driving tube pump
SEIKO EPSON CORP2 citations62
US12441115B2Oct 14, 2025
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US12397553B2Aug 26, 2025
Liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US12370798B2Jul 29, 2025
Liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US12365181B2Jul 22, 2025
Liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US12325238B2Jun 10, 2025
Printing apparatus
SEIKO EPSON CORP0 citations52
US12319068B2Jun 3, 2025
Liquid discharging head and liquid discharging apparatus
SEIKO EPSON CORP0 citations52
US12269265B2Apr 8, 2025
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US11845278B2Dec 19, 2023
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US11806987B2Nov 7, 2023
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US11752768B2Sep 12, 2023
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US11433676B2Sep 6, 2022
Liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US11117375B2Sep 14, 2021
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US11072175B2Jul 27, 2021
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US10974510B2Apr 13, 2021
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US8038255B2Oct 18, 2011
Cap member and fluid ejecting apparatus
SEIKO EPSON CORP1 citations52
US12296595B2May 13, 2025
Liquid ejecting apparatus and liquid filling method
SEIKO EPSON CORP0 citations50
US11850859B2Dec 26, 2023
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations50
US11787183B2Oct 17, 2023
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations50
US11613122B2Mar 28, 2023
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations50
US10661574B2May 26, 2020
Liquid ejecting apparatuses
SEIKO EPSON CORP0 citations42
US9701109B2Jul 11, 2017
Liquid discharging apparatus and control method of liquid discharging apparatus
SEIKO EPSON CORP0 citations41
US8985749B2Mar 24, 2015
Liquid ejection head and liquid ejection apparatus
SEIKO EPSON CORP0 citations41
US8016381B2Sep 13, 2011
Liquid ejecting apparatus and method of controlling same
SEIKO EPSON CORP0 citations41
WATANABE EIICHIRO
8 patentsUS8152268B2Apr 10, 2012
Tube pump, liquid ejecting apparatus, and method of driving tube pump
WATANABE EIICHIRO7 citations83
US8727491B2May 20, 2014
Fluid ejecting apparatus
WATANABE EIICHIRO3 citations61
US8336988B2Dec 25, 2012
Fluid ejecting apparatus
WATANABE EIICHIRO0 citations51
US8210646B2Jul 3, 2012
Liquid ejecting apparatus
WATANABE EIICHIRO1 citations51
US8794736B2Aug 5, 2014
Liquid ejecting head and liquid ejecting apparatus
WATANABE EIICHIRO1 citations50
US9050801B2Jun 9, 2015
Liquid ejecting head, liquid ejecting apparatus, and method for manufacturing liquid ejecting head
WATANABE EIICHIRO0 citations40
US8827421B2Sep 9, 2014
Maintenance method for fluid ejecting apparatus and fluid ejecting apparatus
WATANABE EIICHIRO0 citations40
US8414100B2Apr 9, 2013
Liquid ejecting head inspection apparatus, liquid ejecting apparatus, and inspection method of liquid ejecting head inspection apparatus
WATANABE EIICHIRO0 citations40