Inventor

NAKAJIMA TOYOHEI

JP41 patents

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

NAKAJIMA TOYOHEI

HONDA MOTOR CO LTD

Air/fuel ratio control system for internal combustion engine

Oxygen concentration-sensing device

Oxygen concentration detecting device

Device for measuring a component of a gaseous mixture

Method of controlling an oxygen concentration sensor

Method of abnormality detection of oxygen concentration sensor

System of abnormality detection for oxygen concentration sensor

Device for measuring concentration/flow rate of a mixture drawn into an internal combustion engine and air-fuel ratio control system of the engine incorporating the device

Duty ratio control method for solenoid control valve means

Oxygen concentration detection device having a pair of oxygen pump units with a simplified construction

Method for controlling an oxygen concentration detection apparatus with a heater element

Oxygen sensor assembly

Temperature control device for oxygen concentration sensor

Method for controlling an air/fuel ratio of an internal combustion engine

Control system for ignition timing and boost pressure in internal combustion engine

Method for controlling an oxygen concentration sensor for use in an air/fuel ratio control system of an internal combustion engine

Method of air/fuel ratio control for internal combustion engine

Oxygen concentration sensor for an internal combustion engine

Method of air/fuel ratio control for internal combustion engine

Method of compensating output from oxygen concentration sensor of internal combustion engine

Method for controlling the air/fuel ratio of an internal combustion engine with a fuel cut operation

Oxygen concentration detection apparatus with an adjusting device and its adjusting method

System of abnormality detection for oxygen concentration sensor

Air/fuel ratio control system for an internal combustion engine

Method for controlling an oxygen concentration sensor

Oxygen sensor assembly

Method of controlling operating amounts of operation control means for an internal combustion engine

Air/fuel ratio feedback control method for internal combustion engines

Exhaust gas recirculation control system having variable valve lift correcting speed for exhaust gas recirculation valve

Apparatus for controlling ignition timing in internal combustion

Method of and apparatus for controlling ignition timing in internal combustion engine

Method for operating a closed loop air/fuel ratio control system of an internal combustion engine

Variable air induction control system for internal combustion engine

Oxygen concentration-sensing device

Apparatus for controlling boost pressure in turbocharged internal combustion engines

Method of air/fuel ratio control for internal combustion engine

Method of and apparatus for controlling ignition timing in internal combustion engine

Variable displacement type compressor

NGK SPARK PLUG CO

Air/fuel ratio sensor

MIENO TOSHIYUKI

System of abnormality detection for oxygen concentration sensor

NAKANISHI INC

Abnormality determination device and abnormality determination method for dental handpiece