Inventor
IWATA TAKAHIRO
JP31 patents
⚠️ This page may combine multiple inventors who share the name “IWATA TAKAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HONDA MOTOR CO LTD
15 patentsUS5283513AFeb 1, 1994
Battery charging device for electric vehicles
HONDA MOTOR CO LTD109 citations97
US5367455ANov 22, 1994
Running performance control apparatus and method for an electric vehicle
HONDA MOTOR CO LTD37 citations92
US4649878AMar 17, 1987
Method of feedback-controlling idling speed of internal combustion engine
HONDA MOTOR CO LTD27 citations92
US4633093ADec 30, 1986
Method of feedback-controlling idling speed of internal combustion engine
HONDA MOTOR CO LTD26 citations92
US5422822AJun 6, 1995
Apparatus for detecting remanent stored energy in storage battery and apparatus for warning of reduction in remanent stored energy in storage battery
HONDA MOTOR CO LTD54 citations88
US4889014ADec 26, 1989
System for controlling an internal combustion engine for motor vehicles equipped with an automatic transmission
HONDA MOTOR CO LTD21 citations82
US4819596AApr 11, 1989
Method for control of idle rotations of internal combustion engine
HONDA MOTOR CO LTD23 citations82
US4739741AApr 26, 1988
Fuel supply control method for internal combustion engines at starting
HONDA MOTOR CO LTD21 citations82
US4700674AOct 20, 1987
Intake air quantity control method for internal combustion engines at deceleration
HONDA MOTOR CO LTD20 citations74
US4760823AAug 2, 1988
Method for control of idle rotations of internal combustion engine
HONDA MOTOR CO LTD10 citations73
US4633839AJan 6, 1987
Method for controlling the supply of fuel for an internal combustion engine
HONDA MOTOR CO LTD7 citations73
US9571619B2Feb 14, 2017
Electronic communication system, in-vehicle unit, and control method
HONDA MOTOR CO LTD2 citations72
US4676211AJun 30, 1987
Apparatus for control of number of idling rotations of internal combustion engine
HONDA MOTOR CO LTD3 citations63
US4637362AJan 20, 1987
Method for controlling the supply of fuel for an internal combustion engine
HONDA MOTOR CO LTD4 citations62
US10036927B2Jul 31, 2018
Automatic anti-glare device for vehicles
HONDA MOTOR CO LTD1 citations52
YAMAHA CORP
9 patentsUS10691400B2Jun 23, 2020
Information management system and information management method
YAMAHA CORP1 citations60
US12538126B2Jan 27, 2026
Communication method and communication system
YAMAHA CORP0 citations59
US11790913B2Oct 17, 2023
Information providing method, apparatus, and storage medium, that transmit related information to a remote terminal based on identification information received from the remote terminal
YAMAHA CORP0 citations51
US11750991B2Sep 5, 2023
Information providing method, information provision system, and information processing method
YAMAHA CORP0 citations51
US11250704B2Feb 15, 2022
Information provision device, terminal device, information provision system, and information provision method
YAMAHA CORP0 citations47
US10733386B2Aug 4, 2020
Terminal device, information providing system, information presentation method, and information providing method
YAMAHA CORP0 citations40
US10139241B2Nov 27, 2018
Information provision system, information provision method, and management device
YAMAHA CORP0 citations39
US10846150B2Nov 24, 2020
Information processing method and terminal apparatus
YAMAHA CORP0 citations37
US10621997B2Apr 14, 2020
Information providing system, information providing method, and computer-readable recording medium
YAMAHA CORP0 citations37