Inventor · disambiguated record
Masaki Ohsumi
Also filed as: OHSUMI MASAKI
26 granted patents·3 pending applications·133 citations·filing 2005–2019
94Inventor score
Top patents by PatentIndex Score
29 records- 0197US7300596B2Method of manufacturing liquid discharge headCANON KK·Filed 2006·Granted Nov 27, 2007·39 cites·9 claims
- 0295US7523553B2Method of manufacturing ink jet recording headCANON KK·Filed 2007·Granted Apr 28, 2009·20 cites·5 claims
- 0393US7901064B2Ink jet recording head with ink filter formed of a plurality of stacked filmsCANON KK·Filed 2007·Granted Mar 8, 2011·18 cites·5 claims
- 0493US7282243B2Pattern forming method and method of manufacturing ink jet recording headCANON KK·Filed 2005·Granted Oct 16, 2007·17 cites·11 claims
- 0583US8191260B2Liquid ejection head and manufacturing method thereofKATO MAKI·Filed 2009·Granted Jun 5, 2012·9 cites·3 claims
- 0683US7891784B2Liquid ejection head and method for manufacturing liquid ejection headCANON KK·Filed 2008·Granted Feb 22, 2011·6 cites·11 claims
- 0781US8128204B2Liquid ejection head and method for manufacturing liquid ejection headOZAKI NORIYASU·Filed 2011·Granted Mar 6, 2012·4 cites·3 claims
- 0880US11155083B2Member transfer method and manufacturing method for liquid ejection headCANON KK·Filed 2019·Granted Oct 26, 2021·1 cites·9 claims
- 0979US7930824B2Method of manufacturing ink jet recording headCANON KK·Filed 2009·Granted Apr 26, 2011·4 cites·7 claims
- 1078US9090067B2Method for manufacturing liquid discharge headCANON KK·Filed 2014·Granted Jul 28, 2015·2 cites·9 claims
- 1174US8956703B2Method for manufacturing liquid ejecting headASAI KAZUHIRO·Filed 2012·Granted Feb 17, 2015·2 cites·10 claims
- 1269US8613141B2Manufacturing method of liquid ejection headOKANO AKIHIKO·Filed 2008·Granted Dec 24, 2013·3 cites·17 claims
- 1369US8329047B2Method for producing liquid discharge headNAGAMI TADANOBU·Filed 2009·Granted Dec 11, 2012·4 cites·7 claims
- 1468US8753800B2Process for producing ejection orifice forming member and liquid ejection headCANON KK·Filed 2013·Granted Jun 17, 2014·1 cites·10 claims
- 1565US8481249B2Method for manufacturing recording headMATSUMOTO KEIJI·Filed 2012·Granted Jul 9, 2013·1 cites·6 claims
- 1665US8187898B2Method for manufacturing liquid discharge headYAMAMURO JUN·Filed 2008·Granted May 29, 2012·2 cites·10 claims
- 1764US11161343B2Liquid ejection head and manufacturing method thereofCANON KK·Filed 2019·Granted Nov 2, 2021·0 cites·17 claims
- 1853US8430476B2Method for manufacturing liquid discharge headYAMAMURO JUN·Filed 2012·Granted Apr 30, 2013·0 cites·10 claims
- 1952US9738075B2Liquid discharge head and method of manufacturing the sameCANON KK·Filed 2015·Granted Aug 22, 2017·0 cites·5 claims
- 2047US8632163B2Liquid ejecting head and method for manufacturing the sameOHSUMI MASAKI·Filed 2012·Granted Jan 21, 2014·0 cites·4 claims
- 2145US9472639B2Forming a liquid ejection head with through holes and a depressionCANON KK·Filed 2013·Granted Oct 18, 2016·0 cites·8 claims
- 2245US7735961B2Liquid discharge head and method of producing the sameCANON KK·Filed 2006·Granted Jun 15, 2010·0 cites·3 claims
- 2344US8163187B2Process of producing liquid discharge headABO HIROYUKI·Filed 2009·Granted Apr 24, 2012·0 cites·5 claims
- 2444US2009136875A1Manufacturing method of liquid ejection headCANON KK·Filed 2008·Application pending·0 cites
- 2544US2014199481A1Method for forming chemical layer and apparatus for forming chemical layerCANON KK·Filed 2014·Application pending·0 cites
- 2642US8388084B2Liquid ejection head, method for evaluation of liquid ejection head, and liquid ejection apparatus having liquid ejection headNAGAI MASATAKA·Filed 2010·Granted Mar 5, 2013·0 cites·15 claims
- 2742US2014212997A1Process for producing substrate for liquid ejection head and process for processing silicon substrateCANON KK·Filed 2014·Application pending·0 cites
- 2840US8133662B2Method for manufacturing liquid discharge headWATANABE MAKOTO·Filed 2010·Granted Mar 13, 2012·0 cites·7 claims
- 2937US8286350B2Method of manufacturing a liquid discharge headTAKAHASHI TSUYOSHI·Filed 2010·Granted Oct 16, 2012·0 cites·9 claims
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