Inventor · disambiguated record
Kenji Nagumo
Also filed as: NAGUMO KENJI
23 granted patents·6 pending applications·79 citations·filing 2003–2025
93Inventor score
Top patents by PatentIndex Score
29 records- 0194US7896115B2Fuel cell vehicleHONDA MOTOR CO LTD·Filed 2006·Granted Mar 1, 2011·42 cites·6 claims
- 0292US9685664B2Fuel cell stackHONDA MOTOR CO LTD·Filed 2015·Granted Jun 20, 2017·5 cites·6 claims
- 0384US8048575B2Fuel cell system and fuel cell automotive vehicleHONDA MOTOR CO LTD·Filed 2011·Granted Nov 1, 2011·3 cites·6 claims
- 0483US8415060B2In-vehicle fuel cell systemFUKUMA KAZUNORI·Filed 2006·Granted Apr 9, 2013·8 cites·6 claims
- 0582US12240362B2Seat cushion frame, vehicle seat frame, and vehicle seatNHK SPRING CO LTD·Filed 2022·Granted Mar 4, 2025·1 cites·6 claims
- 0679US9331344B2Fuel cellHONDA MOTOR CO LTD·Filed 2014·Granted May 3, 2016·2 cites·4 claims
- 0779US9231259B2Fuel cell stackHONDA MOTOR CO LTD·Filed 2014·Granted Jan 5, 2016·2 cites·6 claims
- 0877US2025385288A1Fuel cell stackHONDA MOTOR CO LTD·Filed 2025·Application pending·0 cites
- 0976US2025233169A1Fuel cell stackHONDA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 1072US7838160B2Humidifier for fuel cell systemHONDA MOTOR CO LTD·Filed 2005·Granted Nov 23, 2010·2 cites·5 claims
- 1172US7264233B2HumidifierHONDA MOTOR CO LTD·Filed 2005·Granted Sep 4, 2007·5 cites·18 claims
- 1268US2024304833A1Fuel cell stackHONDA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 1368US2024304834A1Fuel cell stackHONDA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 1468US2024304847A1Fuel cell stackHONDA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 1567US7906241B2Fuel cell system and fuel cell automobile vehicleHONDA MOTOR CO LTD·Filed 2004·Granted Mar 15, 2011·6 cites·8 claims
- 1660US8100385B2HumidifierNAGUMO KENJI·Filed 2008·Granted Jan 24, 2012·3 cites·9 claims
- 1758US12097788B2Vehicle seat and vehicle seat frameNHK SPRING CO LTD·Filed 2022·Granted Sep 24, 2024·0 cites·5 claims
- 1857US12420686B2Cushion skin, seat cushion, and vehicle seatNHK SPRING CO LTD·Filed 2023·Granted Sep 23, 2025·0 cites·4 claims
- 1956US12208715B2Seatback frame and vehicle seatNHK SPRING CO LTD·Filed 2022·Granted Jan 28, 2025·0 cites·6 claims
- 2053US12441220B2Vehicle seatNHK SPRING CO LTD·Filed 2023·Granted Oct 14, 2025·0 cites·8 claims
- 2153US8298710B2Humidifier for fuel cell and process for warming the sameKUSANO YOSHIO·Filed 2008·Granted Oct 30, 2012·0 cites·7 claims
- 2252US12054080B2Vehicle seat frame and vehicle seatNHK SPRING CO LTD·Filed 2022·Granted Aug 6, 2024·0 cites·5 claims
- 2352US9350029B2Fuel cell stackHONDA MOTOR CO LTD·Filed 2013·Granted May 24, 2016·0 cites·13 claims
- 2448US9147897B2In-vehicle fuel cell systemHONDA MOTOR CO LTD·Filed 2013·Granted Sep 29, 2015·0 cites·12 claims
- 2548US7344790B2Humidified fuel cell system and process for warming the sameHONDA MOTOR CO LTD·Filed 2003·Granted Mar 18, 2008·0 cites·5 claims
- 2647US2024198873A1Vehicle seatNHK SPRING CO LTD·Filed 2023·Application pending·0 cites
- 2742US10020518B2Fuel cell stackHONDA MOTOR CO LTD·Filed 2015·Granted Jul 10, 2018·0 cites·9 claims
- 2840US10297842B2Fuel cell stackHONDA MOTOR CO LTD·Filed 2016·Granted May 21, 2019·0 cites·14 claims
- 2938US9831516B2Fuel cellHONDA MOTOR CO LTD·Filed 2015·Granted Nov 28, 2017·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →