Inventor · disambiguated record
Ryutaro Kusunoki
Also filed as: KUSUNOKI RYUTARO
62 granted patents·24 pending applications·139 citations·filing 2002–2024
98Inventor score
Top patents by PatentIndex Score
86 records- 0193US10059100B2Easy-to-clean liquid droplet ejecting apparatusTOSHIBA TEC KK·Filed 2016·Granted Aug 28, 2018·5 cites·20 claims
- 0292US8348374B2Ink jet apparatus and method of reducing crosstalkTOSHIBA TEC KK·Filed 2010·Granted Jan 8, 2013·7 cites·7 claims
- 0391US8944573B2Inkjet head and method of manufacturing the sameTOSHIBA TEC KK·Filed 2013·Granted Feb 3, 2015·5 cites·8 claims
- 0489US9815279B1Inkjet head drive apparatusTOSHIBA TEC KK·Filed 2016·Granted Nov 14, 2017·3 cites·11 claims
- 0589US7367658B2Ink jet recording apparatusTOSHIBA TEC KK·Filed 2006·Granted May 6, 2008·14 cites·5 claims
- 0688US10226922B2Ink jet head having prolonged lifetimeTOSHIBA TEC KK·Filed 2017·Granted Mar 12, 2019·3 cites·22 claims
- 0787US11511300B2Chemical liquid dispensing apparatus and chemical liquid discharging deviceTOSHIBA TEC KK·Filed 2018·Granted Nov 29, 2022·2 cites·18 claims
- 0886US11090925B2Liquid discharge apparatus and image forming apparatusTOSHIBA TEC KK·Filed 2019·Granted Aug 17, 2021·2 cites·9 claims
- 0986US8801147B2Inkjet head and inkjet recording apparatusKUSUNOKI RYUTARO·Filed 2012·Granted Aug 12, 2014·4 cites·6 claims
- 1085US10252528B2Inkjet recording headTOSHIBA KK·Filed 2017·Granted Apr 9, 2019·2 cites·13 claims
- 1184US9102154B2Ink jet head and ink jet printing apparatus having the sameTOSHIBA TEC KK·Filed 2014·Granted Aug 11, 2015·3 cites·15 claims
- 1284US8967775B2Ink jet head and image forming apparatusTOSHIBA TEC KK·Filed 2013·Granted Mar 3, 2015·3 cites·20 claims
- 1383US10369562B2Droplet ejecting apparatusTOSHIBA TEC KK·Filed 2017·Granted Aug 6, 2019·2 cites·22 claims
- 1483US10189254B2Droplet ejecting head and droplet ejecting apparatusTOSHIBA TEC KK·Filed 2017·Granted Jan 29, 2019·2 cites·20 claims
- 1583US9707756B2Inkjet head and inkjet recording apparatusTOSHIBA TEC KK·Filed 2016·Granted Jul 18, 2017·2 cites·15 claims
- 1683US9227403B2Ink jet head and ink jet printing apparatus having the sameTOSHIBA TEC KK·Filed 2014·Granted Jan 5, 2016·3 cites·6 claims
- 1783US8876262B2Inkjet head and inkjet recording apparatusARAI RYUICHI·Filed 2012·Granted Nov 4, 2014·5 cites·16 claims
- 1883US7681997B2Inkjet recording apparatusTOSHIBA TEC KK·Filed 2007·Granted Mar 23, 2010·6 cites·5 claims
- 1982US10717272B2Liquid discharging device storing a use historyTOSHIBA TEC KK·Filed 2018·Granted Jul 21, 2020·1 cites·12 claims
- 2081US6899409B2Apparatus for driving ink jet headTOSHIBA TEC KK·Filed 2003·Granted May 31, 2005·21 cites·8 claims
- 2180US11390074B2Liquid ejection head and liquid ejection apparatusTOSHIBA TEC KK·Filed 2020·Granted Jul 19, 2022·1 cites·18 claims
- 2280US9415597B2Ink jet head having nozzle plate equipped with piezoelectric elementsTOSHIBA KK·Filed 2014·Granted Aug 16, 2016·2 cites·16 claims
- 2379US6840595B2Ink jet recording apparatusTOSHIBA TEC KK·Filed 2002·Granted Jan 11, 2005·19 cites·6 claims
- 2478US11213813B2Droplet dispensing apparatusTOSHIBA TEC KK·Filed 2018·Granted Jan 4, 2022·1 cites·20 claims
- 2578US10500847B2Liquid ejecting head and liquid ejecting deviceTOSHIBA TEC KK·Filed 2018·Granted Dec 10, 2019·1 cites·7 claims
- 2675US9914299B2Inkjet head and inkjet recording apparatusTOSHIBA TEC KK·Filed 2016·Granted Mar 13, 2018·1 cites·15 claims
- 2774US12466181B2Ink jet headRISO TECH CORPORATION·Filed 2023·Granted Nov 11, 2025·0 cites·16 claims
- 2874US10137686B2Ink jet head and ink jet apparatus having the sameTOSHIBA TEC KK·Filed 2016·Granted Nov 27, 2018·1 cites·20 claims
- 2972US9073319B2Inkjet head and inkjet recording apparatus with integrated nozzles and actuatorsTOSHIBA TEC KK·Filed 2014·Granted Jul 7, 2015·1 cites·8 claims
- 3072US8469489B2Inkjet print head and method thereforSEKI MASASHI·Filed 2010·Granted Jun 25, 2013·2 cites·5 claims
- 3170US11724500B2Liquid ejection headTOSHIBA TEC KK·Filed 2021·Granted Aug 15, 2023·0 cites·20 claims
- 3269US9079400B2Ink jet headTOSHIBA TEC KK·Filed 2013·Granted Jul 14, 2015·1 cites·9 claims
- 3369US2021339524A1Liquid discharge apparatus and image forming apparatusTOSHIBA TEC KK·Filed 2021·Application pending·0 cites
- 3469US2021053349A1Liquid discharge apparatus and ink jet printerTOSHIBA TEC KK·Filed 2020·Application pending·0 cites
- 3568US7669987B2Ink jet recording apparatusTOSHIBA TEC KK·Filed 2006·Granted Mar 2, 2010·3 cites·6 claims
- 3666US2020298558A1Liquid dispensing apparatus and liquid discharging deviceTOSHIBA TEC KK·Filed 2020·Application pending·0 cites
- 3766US2020139713A1Liquid discharge apparatus and ink jet printerTOSHIBA TEC KK·Filed 2019·Application pending·0 cites
- 3865US11318742B2Liquid discharge head and liquid discharge recording apparatusTOSHIBA TEC KK·Filed 2020·Granted May 3, 2022·0 cites·20 claims
- 3963US10500856B2Ink jet head and ink jet recording apparatusTOSHIBA TEC KK·Filed 2018·Granted Dec 10, 2019·0 cites·20 claims
- 4063US8678531B2Driving apparatus and driving method of inkjet headKUSUNOKI RYUTARO·Filed 2011·Granted Mar 25, 2014·1 cites·14 claims
- 4162US7625053B2Ink jet recording apparatusTOSHIBA TEC KK·Filed 2006·Granted Dec 1, 2009·2 cites·12 claims
- 4261US10239313B2Inkjet head drive apparatusTOSHIBA TEC KK·Filed 2017·Granted Mar 26, 2019·0 cites·12 claims
- 4360US11602933B2Liquid ejection head and liquid ejection apparatusTOSHIBA TEC KK·Filed 2021·Granted Mar 14, 2023·0 cites·20 claims
- 4459US11247467B2Chemical liquid dispensing apparatusTOSHIBA TEC KK·Filed 2020·Granted Feb 15, 2022·0 cites·20 claims
- 4559US9937718B2Ink jet head and ink jet recording apparatusTOSHIBA TEC KK·Filed 2017·Granted Apr 10, 2018·0 cites·20 claims
- 4659US9561652B2Inkjet printer headTOSHIBA KK·Filed 2016·Granted Feb 7, 2017·0 cites·10 claims
- 4758US11879766B2Droplet dispensing apparatusTOSHIBA TEC KK·Filed 2021·Granted Jan 23, 2024·0 cites·20 claims
- 4858US9415593B2Ink jet head and manufacturing method of the sameTOSHIBA TEC KK·Filed 2015·Granted Aug 16, 2016·0 cites·12 claims
- 4958US9150008B2Ink jet head and manufacturing method of the sameTOSHIBA TEC KK·Filed 2013·Granted Oct 6, 2015·0 cites·10 claims
- 5058US2025050638A1Liquid ejection head and liquid ejection deviceRISO TECH CORPORATION·Filed 2024·Application pending·0 cites
Showing the top 50 of 86 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →