Inventor
OWAKI HIROSHIGE
JP83 patents
⚠️ This page may combine multiple inventors who share the name “OWAKI HIROSHIGE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
42 patentsUS6955422B2Oct 18, 2005
Ink cartridge
SEIKO EPSON CORP120 citations99
US6634742B2Oct 21, 2003
Recording head unit
SEIKO EPSON CORP64 citations96
US8899727B2Dec 2, 2014
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP8 citations84
US7328965B2Feb 12, 2008
Liquid jet head unit and liquid jet device
SEIKO EPSON CORP11 citations84
US7152963B2Dec 26, 2006
Liquid jet head and liquid jet apparatus
SEIKO EPSON CORP13 citations84
US6626524B2Sep 30, 2003
Ink jet recording head provided with a vibrator unit
SEIKO EPSON CORP14 citations84
US7578576B2Aug 25, 2009
Method of manufacturing alignment jig and liquid-jet head unit
SEIKO EPSON CORP8 citations82
US7891782B2Feb 22, 2011
Liquid injecting head, method of manufacturing liquid injecting head, and liquid injecting device
SEIKO EPSON CORP8 citations81
US7934822B2May 3, 2011
Ink cartridge
SEIKO EPSON CORP4 citations74
US7614732B2Nov 10, 2009
Ink cartridge
SEIKO EPSON CORP6 citations74
US7325915B2Feb 5, 2008
Ink cartridge having retaining structure
SEIKO EPSON CORP6 citations74
US7237882B2Jul 3, 2007
Ink cartridge having retaining structure and recording apparatus for receiving the ink cartridge
SEIKO EPSON CORP9 citations74
US7044578B2May 16, 2006
Liquid ejection head and liquid ejection apparatus using the same
SEIKO EPSON CORP6 citations74
US9333754B2May 10, 2016
Liquid ejecting apparatus and control method thereof
SEIKO EPSON CORP6 citations73
US7510271B2Mar 31, 2009
Liquid ejection head
SEIKO EPSON CORP7 citations73
US11292256B2Apr 5, 2022
Liquid ejecting head, liquid ejecting apparatus, flow path structure, and method of manufacturing liquid ejecting head
SEIKO EPSON CORP2 citations72
US11192371B2Dec 7, 2021
Liquid ejecting unit and liquid ejecting apparatus
SEIKO EPSON CORP0 citations63
US10569562B2Feb 25, 2020
Liquid ejecting apparatus and control method of liquid ejecting apparatus
SEIKO EPSON CORP1 citations63
US9409392B2Aug 9, 2016
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP2 citations63
US9193162B2Nov 24, 2015
Liquid ejecting head and liquid ejecting apparatus with a rib which divides the flow of the liquid inside the manifold in two
SEIKO EPSON CORP2 citations63
US9150021B2Oct 6, 2015
Liquid ejecting head unit, liquid ejecting apparatus, and liquid ejecting head set
SEIKO EPSON CORP3 citations63
US9073334B2Jul 7, 2015
Liquid ejecting head module and liquid ejecting apparatus
SEIKO EPSON CORP2 citations63
US7958634B2Jun 14, 2011
Liquid ejecting head manufacturing method
SEIKO EPSON CORP3 citations63
US7934794B2May 3, 2011
Ink cartridge
SEIKO EPSON CORP2 citations63
US7837309B2Nov 23, 2010
Liquid ejecting head and method for assembling same
SEIKO EPSON CORP3 citations63
US7810914B2Oct 12, 2010
Liquid jet head and liquid jet device
SEIKO EPSON CORP3 citations63
US7552992B2Jun 30, 2009
Liquid jet head unit and liquid jet device
SEIKO EPSON CORP2 citations63
US7484828B2Feb 3, 2009
Liquid jet head unit, manufacturing method thereof and liquid jet device
SEIKO EPSON CORP6 citations63
US7399061B2Jul 15, 2008
Bonding structure, actuator device and liquid-jet head
SEIKO EPSON CORP2 citations63
US10556437B2Feb 11, 2020
Liquid ejecting apparatus and method of driving the same
SEIKO EPSON CORP1 citations62
US8371679B2Feb 12, 2013
Liquid ejecting head unit and liquid ejecting apparatus
SEIKO EPSON CORP3 citations62
US7934813B2May 3, 2011
Liquid ejection head
SEIKO EPSON CORP4 citations62
US7992964B2Aug 9, 2011
Liquid-jet head apparatus having a fixing plate formed with a protrusion
SEIKO EPSON CORP6 citations61
US7832086B2Nov 16, 2010
Alignment jig, manufacturing method thereof, and method of manufacturing liquid-jet head unit
SEIKO EPSON CORP6 citations61
US7731333B2Jun 8, 2010
Liquid-jet head and liquid-jet apparatus
SEIKO EPSON CORP3 citations61
US10654266B2May 19, 2020
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US10407584B2Sep 10, 2019
Water-based ink composition and method of discharging liquid droplet
SEIKO EPSON CORP0 citations52
US10363737B2Jul 30, 2019
Liquid ejecting head with connection mechanism for a flexible circuit and circuit board
SEIKO EPSON CORP0 citations52
US9956773B2May 1, 2018
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US9682557B2Jun 20, 2017
Liquid ejecting head, liquid ejecting head unit, and liquid ejecting apparatus
SEIKO EPSON CORP1 citations52
US9475292B2Oct 25, 2016
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP1 citations52
US9434167B2Sep 6, 2016
Seal member, liquid discharge head having the same, and liquid discharge apparatus
SEIKO EPSON CORP1 citations52
OWAKI HIROSHIGE
5 patentsUS8794734B2Aug 5, 2014
Liquid ejecting head and liquid ejecting apparatus
OWAKI HIROSHIGE38 citations94
US8550598B2Oct 8, 2013
Liquid ejecting head module and liquid ejecting apparatus
OWAKI HIROSHIGE6 citations84
US8152283B2Apr 10, 2012
Liquid-jet head and liquid-jet apparatus
OWAKI HIROSHIGE2 citations63
US8136924B2Mar 20, 2012
Liquid ejecting head unit and liquid ejecting apparatus
OWAKI HIROSHIGE2 citations63
US8240833B2Aug 14, 2012
Liquid ejecting head, method of manufacturing the same, and liquid ejecting apparatus
OWAKI HIROSHIGE3 citations60
KOBAYASHI HIROYUKI
1 patentSUZUKI SHIGEKI
1 patentSATO SEIYA
1 patentShowing the top 50 of 83 patents by PatentIndex Score.