Inventor · disambiguated record
Yuzuru Ishida
Also filed as: ISHIDA YUZURU
62 granted patents·9 pending applications·311 citations·filing 1980–2024
98Inventor score
Top patents by PatentIndex Score
71 records- 0197US9868283B2Liquid discharge head cleaning method and liquid discharge apparatusCANON KK·Filed 2016·Granted Jan 16, 2018·13 cites·19 claims
- 0295US9682552B2Liquid ejection head, method of cleaning the same, and recording apparatusCANON KK·Filed 2016·Granted Jun 20, 2017·7 cites·12 claims
- 0394US9096059B2Substrate for inkjet head, inkjet head, and inkjet printing apparatusCANON KK·Filed 2013·Granted Aug 4, 2015·9 cites·10 claims
- 0493US9333746B2Ink jet recording head substrate, method for manufacturing the same, and ink jet recording headCANON KK·Filed 2015·Granted May 10, 2016·6 cites·20 claims
- 0592US10710361B2Liquid discharge head substrate, liquid discharge head, liquid discharge apparatus, and method of controlling liquid discharge headCANON KK·Filed 2018·Granted Jul 14, 2020·4 cites·17 claims
- 0692US9085143B2Substrate for inkjet print head, inkjet print head, method for manufacturing inkjet print head, and inkjet printing apparatusCANON KK·Filed 2013·Granted Jul 21, 2015·7 cites·11 claims
- 0791US9498956B2Liquid ejection head, method for cleaning the head, recording apparatus provided with the headCANON KK·Filed 2015·Granted Nov 22, 2016·4 cites·7 claims
- 0890US10994532B2Liquid discharge apparatus and control method thereofCANON KK·Filed 2019·Granted May 4, 2021·3 cites·9 claims
- 0990US9308722B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2014·Granted Apr 12, 2016·5 cites·18 claims
- 1090US4460278AContinuous bulk polymerization reactorTOYO ENGINEERING CORP·Filed 1982·Granted Jul 17, 1984·67 cites·7 claims
- 1188US11648777B2Liquid ejection apparatus and method of controlling liquid ejection apparatusCANON KK·Filed 2021·Granted May 16, 2023·1 cites·12 claims
- 1286US10730294B2Liquid-discharge-head substrate, liquid discharge head, and method for manufacturing liquid-discharge-head substrateCANON KK·Filed 2019·Granted Aug 4, 2020·2 cites·19 claims
- 1386US8721048B2Substrate for liquid discharge head and liquid discharge headCANON KK·Filed 2013·Granted May 13, 2014·4 cites·6 claims
- 1484US9114612B2Liquid ejecting head, substrate for liquid ejecting head, and printing apparatusCANON KK·Filed 2014·Granted Aug 25, 2015·3 cites·8 claims
- 1582US9061489B2Substrate for inkjet head and inkjet head having protection layer including individual sections corresponding to heating resistorsCANON KK·Filed 2013·Granted Jun 23, 2015·3 cites·11 claims
- 1681US9266331B2Manufacturing method of substrate for liquid ejection headCANON KK·Filed 2013·Granted Feb 23, 2016·3 cites·15 claims
- 1781US8172371B2Liquid ejection head having protective layer containing a noble metalISHIDA YUZURU·Filed 2009·Granted May 8, 2012·5 cites·15 claims
- 1879US11104126B2Liquid ejection apparatus, ejection control method, and liquid ejection headCANON KK·Filed 2019·Granted Aug 31, 2021·1 cites·16 claims
- 1979US10632748B2Liquid ejection headCANON KK·Filed 2019·Granted Apr 28, 2020·1 cites·10 claims
- 2079US10421272B2Control method of liquid ejection head and liquid ejection apparatusCANON KK·Filed 2018·Granted Sep 24, 2019·1 cites·10 claims
- 2179US6121372AAqueous emulsion component for a water- and oil-repellant agentNIPPON MEKTRON KK·Filed 1999·Granted Sep 19, 2000·32 cites·13 claims
- 2278US10201970B2Liquid ejection head, liquid ejection apparatus, and control methodCANON KK·Filed 2017·Granted Feb 12, 2019·1 cites·18 claims
- 2378US8646169B2Method of manufacturing liquid ejection head having protective layer containing a noble metalISHIDA YUZURU·Filed 2012·Granted Feb 11, 2014·2 cites·6 claims
- 2477US8191988B2Liquid ejection head, liquid-ejection head substrate, liquid ejecting apparatus including liquid ejection head, and method of cleaning liquid ejection headMATSUI TAKAHIRO·Filed 2009·Granted Jun 5, 2012·5 cites·9 claims
- 2576US8721050B2Liquid discharge head with protective layer and liquid discharge deviceCANON KK·Filed 2012·Granted May 13, 2014·2 cites·19 claims
- 2674US9120310B2Recording element substrate, method of manufacturing the recording element substrate, and liquid ejection headISHIDA YUZURU·Filed 2010·Granted Sep 1, 2015·2 cites·10 claims
- 2773US9527290B2Method of cleaning liquid discharge headCANON KK·Filed 2015·Granted Dec 27, 2016·1 cites·14 claims
- 2872US9630399B2Method for cleaning liquid ejection headCANON KK·Filed 2015·Granted Apr 25, 2017·1 cites·14 claims
- 2972US8312628B2Liquid discharge head and method for manufacturing the sameSAKUMA SADAYOSHI·Filed 2010·Granted Nov 20, 2012·2 cites·7 claims
- 3069US6153675AFluorinated water-and oil-repellent agents with improved freeze-thaw stabilityNIPPON MEKTRON KK·Filed 1998·Granted Nov 28, 2000·25 cites·9 claims
- 3168US4376847AProcess for the production of styrene polymersMITSUI TOATSU CHEMICALS·Filed 1981·Granted Mar 15, 1983·16 cites·10 claims
- 3266US5965656AProcess for preparing aqueous emulsionNIPPON MEKTRON KK·Filed 1999·Granted Oct 12, 1999·19 cites·10 claims
- 3365US12076987B2Liquid ejection head substrate, liquid ejection head, and method of manufacturing liquid ejection head substrateCANON KK·Filed 2022·Granted Sep 3, 2024·0 cites·18 claims
- 3465US11318744B2Liquid ejection head substrate and manufacturing method of the sameCANON KK·Filed 2020·Granted May 3, 2022·0 cites·11 claims
- 3561US11173713B2Liquid discharge headCANON KK·Filed 2020·Granted Nov 16, 2021·0 cites·15 claims
- 3661US11155080B2Cleaning method of liquid discharge head and liquid discharge apparatusCANON KK·Filed 2020·Granted Oct 26, 2021·0 cites·15 claims
- 3761US10766256B2Liquid ejection head substrate, method of manufacturing same and liquid ejection headCANON KK·Filed 2019·Granted Sep 8, 2020·0 cites·14 claims
- 3861US4388447AProcess for producing rubber modified styrene resinsMITSUI TOATSU CHEMICALS·Filed 1981·Granted Jun 14, 1983·13 cites·9 claims
- 3959US12023924B2Liquid ejection apparatus and control methodCANON KK·Filed 2022·Granted Jul 2, 2024·0 cites·16 claims
- 4059US2025100278A1Liquid ejection head substrate, liquid ejection head, and liquid ejection apparatusCANON KK·Filed 2024·Application pending·0 cites
- 4158US4987170AStyrene resin composition excellent in sliding propertiesMITSUI TOATSU CHEMICALS·Filed 1989·Granted Jan 22, 1991·14 cites·9 claims
- 4257US11738555B2Liquid ejection head and method for manufacturing liquid ejection headCANON KK·Filed 2021·Granted Aug 29, 2023·0 cites·20 claims
- 4357US8943690B2Method for manufacturing substrate for liquid ejection head and method for manufacturing liquid ejection headISHIDA YUZURU·Filed 2011·Granted Feb 3, 2015·1 cites·10 claims
- 4457US5151457AResin compositions having improved antistatic propertiesMITSUI TOATSU CHEMICALS·Filed 1991·Granted Sep 29, 1992·16 cites·23 claims
- 4557US2025196496A1Element substrate and liquid ejection headCANON KK·Filed 2024·Application pending·0 cites
- 4657US2025065625A1Substrate for liquid ejection head, liquid ejection head, and method for manufacturing substrate for liquid ejection headCANON KK·Filed 2024·Application pending·0 cites
- 4756US11981133B2Liquid discharge head substrate and printing apparatusCANON KK·Filed 2022·Granted May 14, 2024·0 cites·19 claims
- 4856US11618254B2Element substrate, liquid discharge head, and printing apparatusCANON KK·Filed 2021·Granted Apr 4, 2023·0 cites·14 claims
- 4956US10913269B2Liquid discharge head substrate and liquid discharge headCANON KK·Filed 2019·Granted Feb 9, 2021·0 cites·17 claims
- 5056US2024208212A1Liquid ejection deviceCANON KK·Filed 2023·Application pending·0 cites
Showing the top 50 of 71 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →