Inventor
OHSUMI MASAKI
JP26 patents
⚠️ This page may combine multiple inventors who share the name “OHSUMI MASAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
13 patentsUS7523553B2Apr 28, 2009
Method of manufacturing ink jet recording head
CANON KK20 citations92
US7300596B2Nov 27, 2007
Method of manufacturing liquid discharge head
CANON KK39 citations92
US7901064B2Mar 8, 2011
Ink jet recording head with ink filter formed of a plurality of stacked films
CANON KK18 citations84
US7282243B2Oct 16, 2007
Pattern forming method and method of manufacturing ink jet recording head
CANON KK17 citations83
US7891784B2Feb 22, 2011
Liquid ejection head and method for manufacturing liquid ejection head
CANON KK6 citations72
US7930824B2Apr 26, 2011
Method of manufacturing ink jet recording head
CANON KK4 citations63
US11161343B2Nov 2, 2021
Liquid ejection head and manufacturing method thereof
CANON KK0 citations62
US11155083B2Oct 26, 2021
Member transfer method and manufacturing method for liquid ejection head
CANON KK1 citations62
US9090067B2Jul 28, 2015
Method for manufacturing liquid discharge head
CANON KK2 citations62
US7735961B2Jun 15, 2010
Liquid discharge head and method of producing the same
CANON KK0 citations52
US9472639B2Oct 18, 2016
Forming a liquid ejection head with through holes and a depression
CANON KK0 citations51
US8753800B2Jun 17, 2014
Process for producing ejection orifice forming member and liquid ejection head
CANON KK1 citations51
US9738075B2Aug 22, 2017
Liquid discharge head and method of manufacturing the same
CANON KK0 citations50