Inventor
NAMIKAWA ISAO
JP39 patents
⚠️ This page may combine multiple inventors who share the name “NAMIKAWA ISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JTEKT CORP
30 patentsUS8977437B2Mar 10, 2015
Electric power steering system
JTEKT CORP22 citations92
US9889879B2Feb 13, 2018
Steering control device
JTEKT CORP5 citations73
US9718492B2Aug 1, 2017
Electric power steering apparatus
JTEKT CORP2 citations73
US9327760B2May 3, 2016
Electric power steering system
JTEKT CORP5 citations73
US11661107B2May 30, 2023
Steering control device
JTEKT CORP3 citations72
US11485404B2Nov 1, 2022
Controller for steering device
JTEKT CORP2 citations72
US11400970B2Aug 2, 2022
Steering system
JTEKT CORP2 citations72
US11325642B2May 10, 2022
Steering apparatus
JTEKT CORP2 citations72
US11292510B2Apr 5, 2022
Steering control device and method for controlling steering device
JTEKT CORP2 citations72
US10562568B2Feb 18, 2020
Vehicle control device
JTEKT CORP2 citations72
US11702128B2Jul 18, 2023
Steering device
JTEKT CORP1 citations62
US9272730B2Mar 1, 2016
Electric power steering system
JTEKT CORP2 citations62
US9045157B2Jun 2, 2015
Electric power steering apparatus
JTEKT CORP2 citations62
US12168485B2Dec 17, 2024
Steering control device and steering system
JTEKT CORP0 citations52
US11840296B2Dec 12, 2023
Steering control device
JTEKT CORP0 citations52
US9051004B2Jun 9, 2015
Electric power steering system
JTEKT CORP1 citations52
US12441396B2Oct 14, 2025
Steering control device
JTEKT CORP0 citations51
US12344341B2Jul 1, 2025
Steering control device and steering control method
JTEKT CORP0 citations51
US12240537B2Mar 4, 2025
Steering control device
JTEKT CORP0 citations51
US12179853B2Dec 31, 2024
Steering control device
JTEKT CORP0 citations51
US12054192B2Aug 6, 2024
Abnormality detection device
JTEKT CORP0 citations51
US12037055B2Jul 16, 2024
Steering control device
JTEKT CORP0 citations51
US12024174B2Jul 2, 2024
Control device for vehicle
JTEKT CORP0 citations51
US11661103B2May 30, 2023
Steering control device and method for controlling steering system
JTEKT CORP0 citations51
US11787465B2Oct 17, 2023
Steering control apparatus
JTEKT CORP0 citations50
US11702132B2Jul 18, 2023
Steering control device
JTEKT CORP0 citations50
US8978815B2Mar 17, 2015
Electric power steering apparatus
JTEKT CORP0 citations42
US9573616B2Feb 21, 2017
Electric power steering device
JTEKT CORP0 citations41
US9290200B2Mar 22, 2016
Vehicle power steering system
JTEKT CORP0 citations41
US8775027B2Jul 8, 2014
Electric power steering system
JTEKT CORP0 citations41
TOYOTA MOTOR CO LTD
6 patentsUS12454310B2Oct 28, 2025
Steering device and steering method
TOYOTA MOTOR CO LTD1 citations60
US11891137B2Feb 6, 2024
Steer-by-wire steering system
TOYOTA MOTOR CO LTD0 citations52
US12377905B2Aug 5, 2025
Steering system and control method for steering system
TOYOTA MOTOR CO LTD0 citations51
US12103617B2Oct 1, 2024
Vehicle control system and vehicle control method for a vehicle of a steer-by-wire type
TOYOTA MOTOR CO LTD0 citations51
US11897552B2Feb 13, 2024
Steering control system
TOYOTA MOTOR CO LTD0 citations51
US11608110B2Mar 21, 2023
Steering system
TOYOTA MOTOR CO LTD0 citations50