Inventor · disambiguated record
Hiroki Nagai
Also filed as: NAGAI HIROKI
134 granted patents·45 pending applications·597 citations·filing 1992–2023
99Inventor score
Top patents by PatentIndex Score
179 records- 0195US8038487B2Electrode structureTOYOTA MOTOR CO LTD·Filed 2009·Granted Oct 18, 2011·23 cites·11 claims
- 0294US8486564B2Method of producing active material particles with lithium transition metal oxide secondary particlesNAGAI HIROKI·Filed 2012·Granted Jul 16, 2013·8 cites·11 claims
- 0393US8623544B2Electrode structure and battery device manufacturing methodTSUCHIYA TAKENORI·Filed 2012·Granted Jan 7, 2014·7 cites·5 claims
- 0492US10516165B2Nickel-cobalt-manganese complex hydroxide particles and method for producing same, positive electrode active material for nonaqueous electrolyte secondary battery and method for producing same, and nonaqueous electrolyte secondary batterySUMITOMO METAL MINING CO·Filed 2018·Granted Dec 24, 2019·3 cites·2 claims
- 0592US10490815B2Nickel-cobalt-manganese complex hydroxide particles and method for producing same, positive electrode active material for nonaqueous electrolyte secondary battery and method for producing same, and nonaqueous electrolyte second batterySUMITOMO METAL MINING CO·Filed 2017·Granted Nov 26, 2019·3 cites·20 claims
- 0692US9577254B2Lithium-ion secondary batteryTOYOTA MOTOR CO LTD·Filed 2012·Granted Feb 21, 2017·6 cites·13 claims
- 0792US8945768B2Lithium-ion secondary batteryNAGAI HIROKI·Filed 2011·Granted Feb 3, 2015·7 cites·13 claims
- 0892US5887671AWorking vehicle with power steeringKUBOTA KK·Filed 1997·Granted Mar 30, 1999·85 cites·20 claims
- 0992US5277946AAlumina package for hermetically containing an electronic device thereinNIPPON ELECTRIC GLASS CO·Filed 1992·Granted Jan 11, 1994·85 cites·2 claims
- 1090US11824326B2Semiconductor laser element, testing method, and testing deviceNUVOTON TECHNOLOGY CORP JAPAN·Filed 2021·Granted Nov 21, 2023·2 cites·20 claims
- 1190US10746475B2Multi-phase thermal control apparatus, evaporators and methods of manufacture thereofCALIFORNIA INST OF TECHN·Filed 2017·Granted Aug 18, 2020·15 cites·20 claims
- 1288US9653725B2Lithium rechargeable batteryNAGAI HIROKI·Filed 2012·Granted May 16, 2017·4 cites·8 claims
- 1388US9391318B2Active material particles for a lithium secondary batteryTOYOTA MOTOR CO LTD·Filed 2013·Granted Jul 12, 2016·3 cites·12 claims
- 1487US10323716B2Damper deviceAISIN AW IND CO LTD·Filed 2015·Granted Jun 18, 2019·4 cites·20 claims
- 1587US9954224B2Nickel-cobalt-manganese complex hydroxide particles and method for producing same, positive electrode active material for nonaqueous electrolyte secondary battery and method for producing same, and nonaqueous electrolyte secondary batteryTOYA HIROYUKI·Filed 2010·Granted Apr 24, 2018·3 cites·3 claims
- 1687US9196891B2Electrode structure and battery device manufacturing methodTSUCHIYA TAKENORI·Filed 2012·Granted Nov 24, 2015·3 cites·8 claims
- 1786US10132384B2Centrifugal pendulum-type vibration absorbing device and order setting method for the sameAISIN AW CO·Filed 2015·Granted Nov 20, 2018·4 cites·13 claims
- 1885US11656290B2Battery system and method for evaluating lithium-ion battery degradationTOYOTA MOTOR CO LTD·Filed 2021·Granted May 23, 2023·1 cites·6 claims
- 1985US11515592B2Battery moduleTOYOTA MOTOR CO LTD·Filed 2020·Granted Nov 29, 2022·1 cites·5 claims
- 2085US9133906B2Centrifugal-pendulum vibration absorbing device and order setting method for the sameAISIN AW CO·Filed 2013·Granted Sep 15, 2015·7 cites·12 claims
- 2184US10522816B2Lithium secondary batteryTOYOTA MOTOR CO LTD·Filed 2018·Granted Dec 31, 2019·1 cites·3 claims
- 2284US8802277B2Electrode structure and battery device manufacturing methodTSUCHIYA TAKENORI·Filed 2012·Granted Aug 12, 2014·2 cites·3 claims
- 2384US6360517B1Mower unitKUBOTA KK·Filed 2000·Granted Mar 26, 2002·33 cites·6 claims
- 2483US10029731B2Work vehicleKUBOTA KK·Filed 2016·Granted Jul 24, 2018·2 cites·34 claims
- 2583US9837663B2Lithium-ion secondary batteryTOYOTA MOTOR CO LTD·Filed 2014·Granted Dec 5, 2017·2 cites·3 claims
- 2683US8874393B2Battery pack, electronic device, and inspection method of battery packNAGAI HIROKI·Filed 2011·Granted Oct 28, 2014·8 cites·4 claims
- 2782US10787531B2Fluorinated elastic copolymer, method for its production, crosslinked rubber and method for its productionAGC INC·Filed 2018·Granted Sep 29, 2020·1 cites·13 claims
- 2882US10508709B2Vibration damping device and method for designing the sameAISIN AW CO·Filed 2017·Granted Dec 17, 2019·4 cites·20 claims
- 2982US5873224APower transmitting structure for a self-propelling vehicle having a working implementKUBOTA KK·Filed 1996·Granted Feb 23, 1999·65 cites·17 claims
- 3081US12107393B2Semiconductor laser element, testing method, and testing deviceNUVOTON TECHNOLOGY CORP JAPAN·Filed 2023·Granted Oct 1, 2024·0 cites·20 claims
- 3181US7610742B2Mower unitKUBOTA KK·Filed 2007·Granted Nov 3, 2009·15 cites·12 claims
- 3280US12306260B2Battery system and method for evaluating lithium-ion battery degradationTOYOTA MOTOR CO LTD·Filed 2023·Granted May 20, 2025·0 cites·6 claims
- 3380US9133907B2Centrifugal-pendulum vibration absorbing device and order setting method for the sameAISIN AW CO·Filed 2013·Granted Sep 15, 2015·5 cites·10 claims
- 3479US11394024B2Nickel-cobalt-manganese complex hydroxide particles and method for producing same, positive electrode active material for nonaqueous electrolyte secondary battery and method for producing same, and nonaqueous electrolyte secondary batterySUMITOMO METAL MINING CO·Filed 2019·Granted Jul 19, 2022·0 cites·3 claims
- 3579US9553310B2Secondary batteryNAGAI HIROKI·Filed 2010·Granted Jan 24, 2017·2 cites·13 claims
- 3679US8623546B2Electrode structure and battery device manufacturing methodTSUCHIYA TAKENORI·Filed 2012·Granted Jan 7, 2014·1 cites·3 claims
- 3778US10677313B2Damper deviceAISIN AW IND CO LTD·Filed 2016·Granted Jun 9, 2020·2 cites·28 claims
- 3878US9997743B2Nonaqueous electrolyte secondary batteryNAGAI HIROKI·Filed 2011·Granted Jun 12, 2018·2 cites·11 claims
- 3978US9768446B2Non-aqueous electrolyte secondary batteryTOYOTA MOTOR CO LTD·Filed 2013·Granted Sep 19, 2017·3 cites·4 claims
- 4078US8986884B2Lithium ion secondary batteryNAGAI HIROKI·Filed 2010·Granted Mar 24, 2015·2 cites·13 claims
- 4178US7114115B2Data reproducing controllerSANYO ELECTRIC CO·Filed 2005·Granted Sep 26, 2006·3 cites·6 claims
- 4278US7047476B2Code error correctorSANYO ELECTRIC CO·Filed 2003·Granted May 16, 2006·13 cites·6 claims
- 4377US10309483B2Damper deviceAISIN AW CO·Filed 2015·Granted Jun 4, 2019·2 cites·30 claims
- 4477US9466832B2Lithium secondary battery including a nickel containing lithium complex oxideNAGAI HIROKI·Filed 2010·Granted Oct 11, 2016·2 cites·21 claims
- 4577US9209459B2Secondary batteryNAGAI HIROKI·Filed 2010·Granted Dec 8, 2015·2 cites·13 claims
- 4677US7834137B2Process for producing aqueous fluorinated polymer dispersion having reduced content of fluorinated emulsifierASAHI GLASS CO LTD·Filed 2009·Granted Nov 16, 2010·3 cites·9 claims
- 4776US12155291B2Power toolMAKITA CORP·Filed 2023·Granted Nov 26, 2024·0 cites·20 claims
- 4876US9356289B2Secondary batteryNAGAI HIROKI·Filed 2010·Granted May 31, 2016·2 cites·21 claims
- 4975US9184442B2Secondary batteryNAGAI HIROKI·Filed 2010·Granted Nov 10, 2015·2 cites·15 claims
- 5074US10023671B2Perfluoroelastomer, perfluoroelastomer composition, crosslinked rubber product, and method for manufacturing perfluoroelastomerASAHI GLASS CO LTD·Filed 2016·Granted Jul 17, 2018·1 cites·23 claims
Showing the top 50 of 179 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →