Inventor
KUMAI EIJI
JP34 patents
⚠️ This page may combine multiple inventors who share the name “KUMAI EIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
32 patentsUS6158839ADec 12, 2000
Ink jet printer with a cleaning apparatus for removing hardened ink from a nozzle plate of a print head
SEIKO EPSON CORP121 citations97
US5831655ANov 3, 1998
Ink jet recording apparatus
SEIKO EPSON CORP65 citations96
US5557306ASep 17, 1996
Ink jet printer with a cleaning apparatus for removing hardened ink from a nozzle plate of a print head
SEIKO EPSON CORP65 citations95
US5481284AJan 2, 1996
Printer having line-type ink jet recording head
SEIKO EPSON CORP36 citations92
US9617106B2Apr 11, 2017
Liquid ejecting apparatus and tension applying method
SEIKO EPSON CORP2 citations73
US8936346B2Jan 20, 2015
Liquid removing device and liquid ejecting apparatus
SEIKO EPSON CORP5 citations73
US6183152B1Feb 6, 2001
Printer with improved paper handling mechanism
SEIKO EPSON CORP14 citations73
US6113289ASep 5, 2000
Dot recording device
SEIKO EPSON CORP15 citations73
US9446613B2Sep 20, 2016
Medium supporting device and liquid ejecting apparatus
SEIKO EPSON CORP4 citations72
US9446609B2Sep 20, 2016
Cutter device and printing apparatus
SEIKO EPSON CORP3 citations71
US8905664B2Dec 9, 2014
Cutter device and recording apparatus
SEIKO EPSON CORP2 citations63
US5779377AJul 14, 1998
Printing apparatus
SEIKO EPSON CORP5 citations63
US11932005B2Mar 19, 2024
Transportation device and recording apparatus
SEIKO EPSON CORP0 citations62
US11413885B2Aug 16, 2022
Transportation device and recording apparatus
SEIKO EPSON CORP0 citations62
US5313248AMay 17, 1994
Heat protection of photosensitive elements in image formation apparatus
SEIKO EPSON CORP3 citations62
US8678690B2Mar 25, 2014
Cutter device and printing apparatus
SEIKO EPSON CORP2 citations61
US8016502B2Sep 13, 2011
Cutter device and recording apparatus
SEIKO EPSON CORP2 citations61
US10543702B2Jan 28, 2020
Transportation device and recording apparatus
SEIKO EPSON CORP0 citations52
US9682575B2Jun 20, 2017
Liquid discharging apparatus
SEIKO EPSON CORP0 citations52
US9346289B2May 24, 2016
Printing apparatus
SEIKO EPSON CORP0 citations52
US9302501B2Apr 5, 2016
Printing apparatus
SEIKO EPSON CORP0 citations52
US9278551B2Mar 8, 2016
Liquid discharge apparatus
SEIKO EPSON CORP0 citations52
US9096075B2Aug 4, 2015
Printing apparatus
SEIKO EPSON CORP0 citations52
US9010921B2Apr 21, 2015
Printing apparatus
SEIKO EPSON CORP1 citations52
US10150314B2Dec 11, 2018
Liquid ejecting apparatus and tension applying method
SEIKO EPSON CORP0 citations51
US9527312B2Dec 27, 2016
Liquid discharging apparatus
SEIKO EPSON CORP0 citations51
US9302503B2Apr 5, 2016
Recording apparatus
SEIKO EPSON CORP0 citations49
US9085174B2Jul 21, 2015
Recording apparatus
SEIKO EPSON CORP0 citations49
US9487030B2Nov 8, 2016
Medium holding member and recording apparatus
SEIKO EPSON CORP0 citations48
US9387699B2Jul 12, 2016
Liquid ejecting apparatus
SEIKO EPSON CORP0 citations42
US9908348B2Mar 6, 2018
Liquid ejecting apparatus
SEIKO EPSON CORP0 citations41
US8985760B2Mar 24, 2015
Medium transport apparatus and recording apparatus
SEIKO EPSON CORP0 citations40