Inventor
YAKUWA MASAHIKO
JP17 patents
⚠️ This page may combine multiple inventors who share the name “YAKUWA MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HONDA MOTOR CO LTD
16 patentsUS5461569AOct 24, 1995
Abnormality diagnostic system for internal combustion engines
HONDA MOTOR CO LTD48 citations92
US5052361AOct 1, 1991
Method of detecting deterioration of an exhaust gas concentration sensor for an internal combustion engine
HONDA MOTOR CO LTD35 citations92
US4951632AAug 28, 1990
Exhaust gas component concentration sensing device and method of detecting failure thereof
HONDA MOTOR CO LTD28 citations92
US4844038AJul 4, 1989
Abnormality detecting method for exhaust gas concentration sensor for internal combustion engines
HONDA MOTOR CO LTD32 citations92
US4953056AAug 28, 1990
Current detection apparatus for use in electromagnetic actuator drive circuit
HONDA MOTOR CO LTD27 citations89
US4775957AOct 4, 1988
Microcomputer with abnormality sensing function
HONDA MOTOR CO LTD23 citations80
US5003954AApr 2, 1991
Fail-safe device for temperature sensors
HONDA MOTOR CO LTD19 citations77
US4862369AAug 29, 1989
Electronically-controlled fuel injection system
HONDA MOTOR CO LTD14 citations74
US4764729AAug 16, 1988
Method of detecting abnormality in electromagnetic valve current controller
HONDA MOTOR CO LTD15 citations74
US4656989AApr 14, 1987
System for driving solenoid valve for internal combustion engine
HONDA MOTOR CO LTD11 citations73
US4611565ASep 16, 1986
Backup system for electronic fuel injection control system
HONDA MOTOR CO LTD7 citations73
US4644917AFeb 24, 1987
Method and apparatus for controlling an internal combustion engine
HONDA MOTOR CO LTD17 citations70
US4628882ADec 16, 1986
Fuel supply control method for multicylinder internal combustion engines during occurrence of abnormality in engine rotational angle position sensing means
HONDA MOTOR CO LTD6 citations62
US4831536AMay 16, 1989
Method of processing controlled variables in engine control system
HONDA MOTOR CO LTD5 citations61
US4964050AOct 16, 1990
Method of controlling electrical devices of internal combustion engines
HONDA MOTOR CO LTD4 citations60
US4892077AJan 9, 1990
Fuel injection control method for internal combustion engines
HONDA MOTOR CO LTD3 citations60