Inventor
TAKEUCHI SOUTA
JP59 patents
⚠️ This page may combine multiple inventors who share the name “TAKEUCHI SOUTA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
40 patentsUS6966629B2Nov 22, 2005
Inkjet printhead, driving method of inkjet printhead, and substrate for inkjet printhead
CANON KK24 citations93
US7641317B2Jan 5, 2010
Liquid discharge recording head and liquid discharge recording head cartridge including the same
CANON KK10 citations84
US7588317B2Sep 15, 2009
Printing apparatus, printhead, and driving method therefor
CANON KK9 citations84
US7549734B2Jun 23, 2009
Liquid discharge head
CANON KK13 citations84
US6969154B2Nov 29, 2005
Ink jet recording head with multiple recording elements, electrical circuit elements and protecting sections
CANON KK17 citations84
US6962405B2Nov 8, 2005
Substrate for ink jet recording head, ink jet recording head and ink jet recording apparatus using ink jet recording head
CANON KK15 citations84
US6945629B2Sep 20, 2005
Substrate for ink jet head, ink jet head, and ink jet recording apparatus having ink jet head
CANON KK14 citations84
US7841678B2Nov 30, 2010
Element substrate, printhead, head cartridge, and printing apparatus
CANON KK7 citations74
US7810907B2Oct 12, 2010
Board for inkjet printing head and inkjet printing head using the same
CANON KK7 citations74
US7144093B2Dec 5, 2006
Inkjet printhead, driving method of inkjet printhead, and substrate for inkjet printhead
CANON KK10 citations74
US8721048B2May 13, 2014
Substrate for liquid discharge head and liquid discharge head
CANON KK4 citations73
US9561651B2Feb 7, 2017
Element substrate and method for discharging liquid
CANON KK4 citations72
US9333746B2May 10, 2016
Ink jet recording head substrate, method for manufacturing the same, and ink jet recording head
CANON KK6 citations72
US9751301B2Sep 5, 2017
Substrate for ink jet recording head
CANON KK6 citations71
US11511548B2Nov 29, 2022
Liquid ejection apparatus and liquid tank
CANON KK2 citations69
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
US7896476B2Mar 1, 2011
Inkjet printhead board and inkjet printhead using same
CANON KK5 citations63
US7896455B2Mar 1, 2011
Element substrate, and printhead, head cartridge, and printing apparatus using the element substrate
CANON KK2 citations63
US7810892B2Oct 12, 2010
Element substrate, printhead, head cartridge, and printing apparatus
CANON KK4 citations63
US7770989B2Aug 10, 2010
Element substrate, and printhead, head cartridge, and printing apparatus using the element substrate
CANON KK4 citations63
US7681992B2Mar 23, 2010
Element substrate, and printhead, head cartridge, and printing apparatus using the element substrate
CANON KK3 citations63
US7621612B2Nov 24, 2009
Substrate for ink jet head, ink jet head, and ink jet recording apparatus having ink jet head
CANON KK3 citations63
US7467864B2Dec 23, 2008
Recording head, head cartridge and recording apparatus
CANON KK6 citations63
US7441877B2Oct 28, 2008
Substrate having a plurality of common power supply wires and a plurality of common ground wires for inkjet recording head and inkjet recording head using the same
CANON KK4 citations63
US12311667B2May 27, 2025
Liquid ejection head and method for manufacturing the same
CANON KK0 citations62
US11081349B2Aug 3, 2021
Method of forming film on substrate and method of manufacturing liquid ejection head
CANON KK1 citations62
US10933635B2Mar 2, 2021
Liquid ejection head substrate and method for manufacturing the same
CANON KK0 citations62
US10906304B2Feb 2, 2021
Semiconductor element, recording element substrate, and liquid discharge head
CANON KK0 citations62
US12220924B2Feb 11, 2025
Liquid ejection apparatus and liquid tank
CANON KK0 citations59
US12472742B2Nov 18, 2025
Liquid ejection head, element substrate, and manufacturing methods thereof
CANON KK0 citations52
US11161351B2Nov 2, 2021
Liquid ejection head
CANON KK0 citations52
US11135838B2Oct 5, 2021
Liquid ejection head and method of manufacturing same
CANON KK0 citations52
US11027548B2Jun 8, 2021
Liquid ejection head and method of manufacturing same
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
US7918539B2Apr 5, 2011
Liquid discharge head
CANON KK1 citations52
US7614726B2Nov 10, 2009
Recording head chip, recording head employing recording head chip, and recording apparatus employing recording head
CANON KK1 citations52
US10703103B2Jul 7, 2020
Liquid ejection head and manufacturing method thereof
CANON KK0 citations51
US9381741B2Jul 5, 2016
Inkjet printhead substrate, method of manufacturing the same, and inkjet printhead
CANON KK0 citations51
TAKEUCHI SOUTA
3 patentsUS8070267B2Dec 6, 2011
Ink jet recording head and production process thereof
TAKEUCHI SOUTA8 citations83
US9150019B2Oct 6, 2015
Liquid ejection head body and method of manufacturing the same
TAKEUCHI SOUTA5 citations72
US8445298B2May 21, 2013
Process of producing liquid discharge head base material
TAKEUCHI SOUTA3 citations62
OMATA KOICHI
1 patentUYAMA MASAYA
1 patentMURAYAMA HIROYUKI
1 patentSAKUMA SADAYOSHI
1 patentYAMAGUCHI TAKAAKI
1 patentKUBO KOUSUKE
1 patentIMANAKA YOSHIYUKI
1 patentShowing the top 50 of 59 patents by PatentIndex Score.