Inventor

IWAZAKI YASUSHI

JP66 patents

⚠️ This page may combine multiple inventors who share the name “IWAZAKI YASUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IWAZAKI YASUSHI

TOYOTA MOTOR CO LTD

Abnormality diagnosis system and method for oxygen sensor

Abnormality diagnosis system of air-fuel ratio sensor

Abnormality diagnosis system of air-fuel ratio sensor

Abnormality diagnosis apparatus for NOx storage reduction catalyst

Abnormality diagnosis system of air-fuel ratio sensors

Abnormality diagnosis system of air-fuel ratio sensor

Diagnosis system of internal combustion engine

Abnormality diagnosis system of air-fuel ratio sensor

Abnormality diagnostic device and abnormality diagnostic method for air-fuel ratio sensor

Abnormality diagnostic device for air-fuel ratio sensor, and control method for the device

Air-fuel ratio control apparatus and method for an internal combustion engine

Apparatus and method for detecting abnormality of inter-cylinder air-fuel ratio dispersion in multi-cylinder internal combustion engine

Apparatus and method for detecting abnormal air-fuel ratio variation among cylinders of multi-cylinder internal combustion engine

Oil dilution rate calculation system of internal combustion engine

Exhaust gas purification apparatus for an internal combustion engine

Apparatus for determining an air-fuel ratio imbalance among cylinders of an internal combustion engine

Deterioration diagnosis device for an exhaust gas purification apparatus

Deterioration diagnosis device for an exhaust gas purification apparatus

Deterioration diagnosis apparatus for exhaust gas purification apparatus

Abnormality diagnostic device and abnormality diagnostic method for air-fuel ratio sensor

Method and apparatus for detecting exhaust gas sensor defect

IWAZAKI YASUSHI

Apparatus and method for detecting abnormal air-fuel ratio variation among cylinders of multi-cylinder internal combustion engine

Fuel injection amount control system, fuel injection amount control device, and fuel injection amount control method of multi-cylinder internal combustion engine

Inter-cylinder air-fuel ratio imbalance determination apparatus for internal combustion engine

Exhaust gas sensor abnormality diagnostic device

Exhaust gas sensor abnormality diagnostic device

Inter-cylinder air-fuel ratio variation abnormality detection apparatus

Fuel injection amount control system and fuel injection amount control device for multi-cylinder internal combustion engine

Air-fuel ratio imbalance determining apparatus among cylinders for an internal combustion engine

Inter-cylinder air-fuel ratio imbalance determination apparatus for an internal combustion engine

Apparatus for determining an air-fuel ratio imbalance among cylinders of an internal combustion engine

Air-fuel ratio imbalance among cylinders determining apparatus for an internal combustion engine

Inter-cylinder air-fuel ratio imbalance determination apparatus for internal combustion engine

MIYAMOTO HIROSHI

Diagnosis system of internal combustion engine

Diagnosis system of internal combustion engine

Inter-cylinder air-fuel ratio imbalance determination apparatus for internal combustion engine

Inter-cylinder air-fuel ratio imbalance judgment device for multi-cylinder internal combustion engine

Inter-cylinder air-fuel ratio imbalance determining apparatus for internal combustion engine

Abnormality determination system for multi-cylinder internal combustion engine

Apparatus and method for diagnosing catalyst deterioration

SAWADA HIROSHI

Degradation diagnostic apparatus for NOx catalyst

Cylinder-to-cylinder air/fuel ratio imbalance determination system of internal combustion engine

Air-fuel ratio imbalance among cylinders determining apparatus for an internal combustion engine

KIDOKORO TORU

Monitoring apparatus for a multi-cylinder internal combustion engine

Air-fuel ratio imbalance among cylinders determining apparatus for a multi-cylinder internal combustion engine

AOKI KEIICHIRO

Air-fuel-ratio imbalance determination apparatus for internal combustion engine

SUZUKI KENJI

Inter-cylinder air-fuel ratio variation abnormality detection apparatus for multicylinder internal combustion engine

KIMURA KOICHI

Apparatus for determining an air-fuel ratio imbalance among cylinders of an internal combustion engine

KAWAMURA YUSUKE

Apparatus for acquiring responsibility of oxygen concentration sensor

AISAKA TAKEHO

Device for purifying exhaust gas of internal combustion engine