Inventor · disambiguated record
Yoshiaki Naganuma
Also filed as: NAGANUMA YOSHIAKI
55 granted patents·11 pending applications·140 citations·filing 1984–2024
97Inventor score
Top patents by PatentIndex Score
66 records- 0195US7976067B2Gas fuel tank-equipped vehicleTOYOTA MOTOR CO LTD·Filed 2006·Granted Jul 12, 2011·45 cites·8 claims
- 0289US10388974B2Fuel cell system and emergency stop methodTOYOTA MOTOR CO LTD·Filed 2016·Granted Aug 20, 2019·3 cites·5 claims
- 0385US9819035B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2015·Granted Nov 14, 2017·2 cites·3 claims
- 0484US10483572B2Flow control method of cooling medium in a fuel cell system, and fuel cell systemTOYOTA MOTOR CO LTD·Filed 2015·Granted Nov 19, 2019·2 cites·4 claims
- 0584US9908381B2Vehicle control apparatus and vehicle control methodSAKAJO YUICHI·Filed 2010·Granted Mar 6, 2018·7 cites·8 claims
- 0681US12172516B2Attachment for fuel inlet of vehicleTOYOTA MOTOR CO LTD·Filed 2024·Granted Dec 24, 2024·0 cites·1 claims
- 0780US8691453B2Fuel cell systemKANIE NAOKI·Filed 2008·Granted Apr 8, 2014·4 cites·6 claims
- 0878US8795915B2Fuel cell systemIMANISHI HIROYUKI·Filed 2008·Granted Aug 5, 2014·3 cites·6 claims
- 0978US8524406B2Fuel cell system and start-up control method thereforTANAKA HIROMI·Filed 2010·Granted Sep 3, 2013·4 cites·4 claims
- 1078US8071249B2Fuel cell system and mobile articleHASUKA YOSHINOBU·Filed 2010·Granted Dec 6, 2011·2 cites·14 claims
- 1177US8765316B2Fuel cell systemNAGANUMA YOSHIAKI·Filed 2010·Granted Jul 1, 2014·3 cites·5 claims
- 1277US8580449B2Fuel cell system and power supply control methodNAGANUMA YOSHIAKI·Filed 2008·Granted Nov 12, 2013·3 cites·8 claims
- 1376US9105889B2Method and apparatus for determining humidity states of individual cells in a fuel cell, method and apparatus for controlling humidity states of individual cells in a fuel cell, and a fuel cell systemSUEMATSU KEIGO·Filed 2009·Granted Aug 11, 2015·3 cites·23 claims
- 1475US12157363B2Vehicle comprising fuel inletTOYOTA MOTOR CO LTD·Filed 2022·Granted Dec 3, 2024·0 cites·1 claims
- 1575US9509005B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2014·Granted Nov 29, 2016·1 cites·4 claims
- 1674US10312532B2Residual water scavenging processing method in fuel cell system and fuel cell systemTOYOTA MOTOR CO LTD·Filed 2015·Granted Jun 4, 2019·1 cites·8 claims
- 1773US12489124B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2022·Granted Dec 2, 2025·0 cites·5 claims
- 1873US8158293B2Fuel cell systemNAGANUMA YOSHIAKI·Filed 2011·Granted Apr 17, 2012·5 cites·9 claims
- 1972US9260009B2Vehicle and method of mounting gas fuel tankMIZUNO HIDEAKI·Filed 2006·Granted Feb 16, 2016·6 cites·8 claims
- 2071US8871401B2Fuel cell systemNAGANUMA YOSHIAKI·Filed 2010·Granted Oct 28, 2014·1 cites·4 claims
- 2171US6100323ACurable composition comprising a diels-alder-adduct of cyclopentadiene and a fillerCIBA SC HOLDING AG·Filed 1997·Granted Aug 8, 2000·30 cites·13 claims
- 2269US8323844B2Fuel cell operation system and valve open amount calculation method in the fuel cell operation systemTSUCHIYA NAOHISA·Filed 2007·Granted Dec 4, 2012·2 cites·4 claims
- 2369US8252469B2Fuel cell system and water discharge control method for the systemNAGANUMA YOSHIAKI·Filed 2007·Granted Aug 28, 2012·1 cites·7 claims
- 2468US8927168B2Fuel cell system control during low efficiency operationNAGANUMA YOSHIAKI·Filed 2009·Granted Jan 6, 2015·1 cites·5 claims
- 2567US2023069428A1Fuel cell vehicleTOYOTA MOTOR CO LTD·Filed 2022·Application pending·0 cites
- 2665US10361443B2Fuel cell system, and control method for fuel cell systemMIZUNO NOBUKAZU·Filed 2012·Granted Jul 23, 2019·1 cites·7 claims
- 2763US2023099226A1Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2022·Application pending·0 cites
- 2862US2013323615A1Fuel cell system and mobile articleISHIKAWA NORIMASA·Filed 2013·Application pending·0 cites
- 2958US2011212377A1Fuel cell system and mobile articleTOYOTA MOTOR CO LTD·Filed 2011·Application pending·0 cites
- 3057US9425473B2Fuel cell system and method of operating fuel cell systemNAGANUMA YOSHIAKI·Filed 2009·Granted Aug 23, 2016·0 cites·5 claims
- 3157US8597848B2Fuel cell system, estimation device of amount of anode gas to be generated and estimation method of amount of anode gas to be generatedIMANISHI HIROYUKI·Filed 2006·Granted Dec 3, 2013·0 cites·7 claims
- 3257US2009130510A1Fuel Cell System and Mobile ArticleTOYOTA MOTOR CO LTD·Filed 2006·Application pending·0 cites
- 3356US9825317B2Fuel cell system and control method of the sameTOYOTA MOTOR CO LTD·Filed 2015·Granted Nov 21, 2017·0 cites·5 claims
- 3456US2011256461A1Fuel cell system, estimation device of amount of anode gas to be generated and estimation method of amount of anode gas to be generatedTOYOTA MOTOR CO LTD·Filed 2011·Application pending·0 cites
- 3556US2009233132A1Fuel Cell System and Mobile ArticleTOYOTA MOTOR CO LTD·Filed 2006·Application pending·0 cites
- 3654US9793561B2Fuel cell system and control method of fuel cell systemTOYOTA MOTOR CO LTD·Filed 2015·Granted Oct 17, 2017·0 cites·20 claims
- 3754US8691461B2Fuel cell systemTANAKA HIROMI·Filed 2009·Granted Apr 8, 2014·0 cites·4 claims
- 3854US8383279B2Fuel cell system and method for calculating circulation ratio in the sameTOYOTA MOTOR CO LTD·Filed 2007·Granted Feb 26, 2013·0 cites·8 claims
- 3954US8361667B2Fuel cell system and its control methodTOYOTA MOTOR CO LTD·Filed 2008·Granted Jan 29, 2013·0 cites·5 claims
- 4053US10074865B2Fuel cell system and fuel cell system control methodTOYOTA MOTOR CO LTD·Filed 2015·Granted Sep 11, 2018·0 cites·12 claims
- 4153US2010209791A1Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2008·Application pending·0 cites
- 4251US10340542B2Fuel cell system and control method of fuel cellTOYOTA MOTOR CO LTD·Filed 2016·Granted Jul 2, 2019·0 cites·8 claims
- 4351US2008006461A1VehicleNAGANUMA YOSHIAKI·Filed 2006·Application pending·0 cites
- 4450US10381668B2Operation control method of fuel cell and operation control apparatus of fuel cellTOYOTA MOTOR CO LTD·Filed 2015·Granted Aug 13, 2019·0 cites·6 claims
- 4550US8835066B2Circulation system for a fuel cellNAGANUMA YOSHIAKI·Filed 2007·Granted Sep 16, 2014·0 cites·5 claims
- 4649US10267862B2Fuel cell system with minimum cell voltage estimationTOIDA MASASHI·Filed 2012·Granted Apr 23, 2019·0 cites·7 claims
- 4747US9991528B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2015·Granted Jun 5, 2018·0 cites·6 claims
- 4847US4585698AMethod of coating fixed resistors with a one-component epoxy resin coating material and fixed resistors coated with said one-component epoxy resin coating materialCIBA GEIGY CORP·Filed 1984·Granted Apr 29, 1986·9 cites·6 claims
- 4946US10135082B2Fuel cell system and control method of fuel cell systemTOYOTA MOTOR CO LTD·Filed 2015·Granted Nov 20, 2018·0 cites·5 claims
- 5046US2007218330A1Fuel Cell SystemTOYOTA MOTOR CO LTD·Filed 2005·Application pending·0 cites
Showing the top 50 of 66 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →