Inventor · disambiguated record
Toru Nakakubo
Also filed as: NAKAKUBO TORU
67 granted patents·17 pending applications·118 citations·filing 2002–2025
98Inventor score
Top patents by PatentIndex Score
84 records- 0198US10300707B2Liquid ejecting moduleCANON KK·Filed 2018·Granted May 28, 2019·17 cites·13 claims
- 0296US10421287B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2018·Granted Sep 24, 2019·9 cites·16 claims
- 0393US10668736B2Liquid ejecting head and liquid ejecting apparatusCANON KK·Filed 2018·Granted Jun 2, 2020·3 cites·17 claims
- 0492US11065878B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2019·Granted Jul 20, 2021·2 cites·20 claims
- 0591US10974504B2Liquid ejection head and control method of liquid ejection headCANON KK·Filed 2019·Granted Apr 13, 2021·3 cites·18 claims
- 0691US10717273B2Liquid ejection head and method for circulating liquidCANON KK·Filed 2018·Granted Jul 21, 2020·3 cites·15 claims
- 0790US8857953B2Liquid ejection head formed of piezoelectric platesCANON KK·Filed 2012·Granted Oct 14, 2014·6 cites·14 claims
- 0889US12343999B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2023·Granted Jul 1, 2025·0 cites·6 claims
- 0989US8702215B2Inkjet head unit and inkjet apparatusKAWASE JUNYA·Filed 2012·Granted Apr 22, 2014·6 cites·19 claims
- 1089US2024367441A1Liquid ejecting head and liquid ejecting apparatusCANON KK·Filed 2024·Application pending·0 cites
- 1188US10589536B2Liquid ejecting moduleCANON KK·Filed 2019·Granted Mar 17, 2020·2 cites·20 claims
- 1288US2025296344A1Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1387US8020613B2Heat transfer controlling mechanism and fuel cell system having the heat transfer controlling mechanismCANON KK·Filed 2007·Granted Sep 20, 2011·7 cites·2 claims
- 1486US12064969B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2023·Granted Aug 20, 2024·0 cites·8 claims
- 1586US11376863B2Liquid ejecting head and liquid ejecting apparatusCANON KK·Filed 2020·Granted Jul 5, 2022·1 cites·17 claims
- 1685US10493750B2Method for controlling liquid ejection apparatusCANON KK·Filed 2018·Granted Dec 3, 2019·2 cites·7 claims
- 1785US8985748B2Liquid ejection head and method of manufacturing liquid ejection headCANON KK·Filed 2013·Granted Mar 24, 2015·4 cites·6 claims
- 1885US8807713B2Liquid ejection headCANON KK·Filed 2013·Granted Aug 19, 2014·4 cites·4 claims
- 1985US7309022B2Substance shutoff device and fuel cellCANON KK·Filed 2006·Granted Dec 18, 2007·5 cites·9 claims
- 2084US8211586B2Combustible gas detector, process for producing combustible gas detector, and fuel cell system equipped with combustible gas detectorNAKAKUBO TORU·Filed 2007·Granted Jul 3, 2012·8 cites·15 claims
- 2184US8191994B2Liquid ejection head utilizing deflection membersNAKAKUBO TORU·Filed 2011·Granted Jun 5, 2012·4 cites·7 claims
- 2283US9573370B2Liquid ejection head and liquid ejection deviceCANON KK·Filed 2016·Granted Feb 21, 2017·2 cites·7 claims
- 2382US12070956B2Liquid ejecting head and liquid ejecting apparatusCANON KK·Filed 2022·Granted Aug 27, 2024·0 cites·11 claims
- 2482US9539810B2Liquid discharge head and head unit using the sameCANON KK·Filed 2015·Granted Jan 10, 2017·2 cites·19 claims
- 2581US8256740B2Connection mechanism for fluid pipings, manufacturing method for the same, and fuel cell system including connection mechanism for fluid pipingsNAKAKUBO TORU·Filed 2007·Granted Sep 4, 2012·6 cites·14 claims
- 2680US12138924B2Liquid ejection head and manufacturing method of liquid ejection headCANON KK·Filed 2023·Granted Nov 12, 2024·0 cites·2 claims
- 2779US11673396B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2021·Granted Jun 13, 2023·0 cites·20 claims
- 2879US10232616B2Liquid ejection headCANON KK·Filed 2017·Granted Mar 19, 2019·1 cites·9 claims
- 2976US8580458B2Fuel cell system with a cell unit and fuel tank unit in a housing and electronic deviceNAKAKUBO TORU·Filed 2009·Granted Nov 12, 2013·2 cites·13 claims
- 3075US8636349B2Liquid ejection head and liquid ejection apparatusNAKAKUBO TORU·Filed 2011·Granted Jan 28, 2014·2 cites·21 claims
- 3175US8141792B2Pressure controller, valve having pressure controller, and fuel cell equipped with valve having pressure controllerYOKOI AKIYOSHI·Filed 2006·Granted Mar 27, 2012·3 cites·17 claims
- 3273US11850855B2Liquid ejection head and manufacturing method of liquid ejection headCANON KK·Filed 2021·Granted Dec 26, 2023·0 cites·20 claims
- 3373US9003620B2Process for producing liquid ejection headCANON KK·Filed 2013·Granted Apr 14, 2015·2 cites·6 claims
- 3472US11607882B2Liquid ejection moduleCANON KK·Filed 2021·Granted Mar 21, 2023·0 cites·20 claims
- 3569US11090935B2Liquid ejection moduleCANON KK·Filed 2019·Granted Aug 17, 2021·0 cites·20 claims
- 3667US8876263B2Liquid ejection headCANON KK·Filed 2013·Granted Nov 4, 2014·1 cites·10 claims
- 3767US8414111B2Deflecting electrode, droplet ejection head, and droplet ejection apparatusNAKAKUBO TORU·Filed 2011·Granted Apr 9, 2013·1 cites·12 claims
- 3866US11602934B2Liquid ejection head, liquid ejection apparatus, and liquid ejection methodCANON KK·Filed 2019·Granted Mar 14, 2023·0 cites·12 claims
- 3965US8026009B2Exhaust fuel diluting mechanism and fuel cell system with the exhaust fuel diluting mechanismCANON KK·Filed 2007·Granted Sep 27, 2011·2 cites·18 claims
- 4064US2009297907A1Fuel cell system and electric equipmentCANON KK·Filed 2009·Application pending·0 cites
- 4161US10875305B2Liquid ejection headCANON KK·Filed 2019·Granted Dec 29, 2020·0 cites·13 claims
- 4261US7592087B2Fuel cell and electric apparatusCANON KK·Filed 2002·Granted Sep 22, 2009·3 cites·22 claims
- 4358US11453213B2Driving method of liquid feeding apparatusCANON KK·Filed 2019·Granted Sep 27, 2022·0 cites·14 claims
- 4458US11084300B2Liquid discharge headCANON KK·Filed 2019·Granted Aug 10, 2021·0 cites·12 claims
- 4558US2008254331A1Fuel cell with shutoff deviceCANON KK·Filed 2007·Application pending·0 cites
- 4657US7615301B2Fuel battery and electric deviceCANON KK·Filed 2002·Granted Nov 10, 2009·2 cites·12 claims
- 4755US11465415B2Liquid ejection moduleCANON KK·Filed 2021·Granted Oct 11, 2022·0 cites·10 claims
- 4855US11179932B2Liquid ejection headCANON KK·Filed 2019·Granted Nov 23, 2021·0 cites·15 claims
- 4955US11027548B2Liquid ejection head and method of manufacturing sameCANON KK·Filed 2019·Granted Jun 8, 2021·0 cites·19 claims
- 5055US10857794B2Liquid ejection head and manufacturing method of liquid ejection headCANON KK·Filed 2019·Granted Dec 8, 2020·0 cites·8 claims
Showing the top 50 of 84 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →