Inventor
OMATA KOICHI
JP36 patents
⚠️ This page may combine multiple inventors who share the name “OMATA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
16 patentsUS6499823B2Dec 31, 2002
Ink jet recording head having substrate and ceiling plate base pressed together by base plate and ink supply member
CANON KK20 citations92
US7959262B2Jun 14, 2011
Ink jet recording head substrate, and ink jet recording head including the substrate
CANON KK2 citations63
US7905577B2Mar 15, 2011
Printhead substrate having electrothermal transducers arranged at high density, printhead, and printing apparatus
CANON KK3 citations63
US7896475B2Mar 1, 2011
Element substrate, printhead, and head cartridge
CANON KK5 citations63
US7810892B2Oct 12, 2010
Element substrate, printhead, head cartridge, and printing apparatus
CANON KK4 citations63
US7681992B2Mar 23, 2010
Element substrate, and printhead, head cartridge, and printing apparatus using the element substrate
CANON KK3 citations63
US10889112B2Jan 12, 2021
Liquid ejection head and manufacturing method thereof
CANON KK1 citations62
US10500851B2Dec 10, 2019
Print element substrate, printhead, and printing apparatus
CANON KK1 citations62
US7261402B2Aug 28, 2007
Ink container, ink-jet recording head, and ink-jet recording apparatus
CANON KK4 citations62
US12076987B2Sep 3, 2024
Liquid ejection head substrate, liquid ejection head, and method of manufacturing liquid ejection head substrate
CANON KK0 citations52
US8020956B2Sep 20, 2011
Element substrate, printhead, head cartridge, printing apparatus, and method for confirming electrical connection status of printhead and printing apparatus
CANON KK0 citations52
US6748657B1Jun 15, 2004
Method of manufacturing an ink jet recording head
CANON KK1 citations52
US12552154B2Feb 17, 2026
Liquid discharge apparatus and control method thereof
CANON KK0 citations51
US9950525B2Apr 24, 2018
Element substrate for liquid ejecting head and wafer
CANON KK0 citations51
US9833992B2Dec 5, 2017
Recording-element substrate, recording head, and recording apparatus
CANON KK1 citations51
US10889113B2Jan 12, 2021
Recording element board, liquid ejection apparatus and method of manufacturing recording element board
CANON KK0 citations50
OMATA KOICHI
4 patentsUS8191996B2Jun 5, 2012
Element substrate, and printhead, head cartridge, and printing apparatus using the element substrate
OMATA KOICHI6 citations82
US8534796B2Sep 17, 2013
Liquid-discharging recording head
OMATA KOICHI0 citations50
US8083317B2Dec 27, 2011
Liquid-discharging recording head
OMATA KOICHI0 citations50
US9242460B2Jan 26, 2016
Liquid-discharge-head substrate, method of manufacturing the same, and liquid discharge head
OMATA KOICHI0 citations39
YAMAGUCHI TAKAAKI
3 patentsUS8070262B2Dec 6, 2011
Print element substrate, printhead, and printing apparatus
YAMAGUCHI TAKAAKI6 citations61
US8523324B2Sep 3, 2013
Liquid discharge head substrate and head unit
YAMAGUCHI TAKAAKI1 citations50
US8128206B2Mar 6, 2012
Liquid ejection substrate and liquid ejection head using same
YAMAGUCHI TAKAAKI0 citations40
TAMURA HIDEO
3 patentsUS8246147B2Aug 21, 2012
Inkjet printhead substrate, method for manufacturing inkjet printhead substrate, inkjet print head, and inkjet recording apparatus
TAMURA HIDEO3 citations60
US8066347B2Nov 29, 2011
Recording element substrate, recording head, and ink jet recording apparatus having the recording head
TAMURA HIDEO1 citations50
US8733901B2May 27, 2014
Liquid discharge head substrate and liquid discharge head
TAMURA HIDEO0 citations40
KUBO KOUSUKE
3 patentsUS8231195B2Jul 31, 2012
Print element substrate, printhead, and printing apparatus
KUBO KOUSUKE2 citations60
US8708443B2Apr 29, 2014
Element substrate, printhead, head cartridge, printing apparatus, and method for confirming electrical connection status of printhead and printing apparatus
KUBO KOUSUKE0 citations50
US8235481B2Aug 7, 2012
Inkjet recording head and recording apparatus
KUBO KOUSUKE0 citations39