Inventor
NAGUMO KENJI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “NAGUMO KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HONDA MOTOR CO LTD
14 patentsUS7896115B2Mar 1, 2011
Fuel cell vehicle
HONDA MOTOR CO LTD42 citations90
US7906241B2Mar 15, 2011
Fuel cell system and fuel cell automobile vehicle
HONDA MOTOR CO LTD6 citations73
US9685664B2Jun 20, 2017
Fuel cell stack
HONDA MOTOR CO LTD5 citations72
US9331344B2May 3, 2016
Fuel cell
HONDA MOTOR CO LTD2 citations63
US7838160B2Nov 23, 2010
Humidifier for fuel cell system
HONDA MOTOR CO LTD2 citations63
US9231259B2Jan 5, 2016
Fuel cell stack
HONDA MOTOR CO LTD2 citations62
US8048575B2Nov 1, 2011
Fuel cell system and fuel cell automotive vehicle
HONDA MOTOR CO LTD3 citations62
US7264233B2Sep 4, 2007
Humidifier
HONDA MOTOR CO LTD5 citations62
US7344790B2Mar 18, 2008
Humidified fuel cell system and process for warming the same
HONDA MOTOR CO LTD0 citations52
US9147897B2Sep 29, 2015
In-vehicle fuel cell system
HONDA MOTOR CO LTD0 citations51
US9350029B2May 24, 2016
Fuel cell stack
HONDA MOTOR CO LTD0 citations42
US10020518B2Jul 10, 2018
Fuel cell stack
HONDA MOTOR CO LTD0 citations40
US9831516B2Nov 28, 2017
Fuel cell
HONDA MOTOR CO LTD0 citations40
US10297842B2May 21, 2019
Fuel cell stack
HONDA MOTOR CO LTD0 citations39
NHK SPRING CO LTD
8 patentsUS12240362B2Mar 4, 2025
Seat cushion frame, vehicle seat frame, and vehicle seat
NHK SPRING CO LTD1 citations60
US12097788B2Sep 24, 2024
Vehicle seat and vehicle seat frame
NHK SPRING CO LTD0 citations59
US12208715B2Jan 28, 2025
Seatback frame and vehicle seat
NHK SPRING CO LTD0 citations56
US12054080B2Aug 6, 2024
Vehicle seat frame and vehicle seat
NHK SPRING CO LTD0 citations49
US12570194B2Mar 10, 2026
Seat cushion frame, vehicle seat frame, and vehicle seat
NHK SPRING CO LTD0 citations48
US12594859B2Apr 7, 2026
Vehicle seat
NHK SPRING CO LTD0 citations47
US12420686B2Sep 23, 2025
Cushion skin, seat cushion, and vehicle seat
NHK SPRING CO LTD0 citations46
US12441220B2Oct 14, 2025
Vehicle seat
NHK SPRING CO LTD0 citations44