Inventor

MATSUOKA HIROKI

JP87 patents

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

MATSUOKA HIROKI

TOYOTA MOTOR CO LTD

Air assist device of fuel injection type internal combustion engine

Apparatus for preventing discharge of fuel vapor

Fuel-vapor emission-control system for controlling the amount of flow through a charcoal canister

Apparatus for controlling fuel evaporated from internal combustion engine

Evaporative fuel control device

Apparatus for controlling vehicle drive force depending upon vehicle load determined by engine load and vehicle speed

Vehicle transmission shift control apparatus using shift boundary lines based on vehicle speed, and engine intake air quantity or throttle or accelerator operation amount

Air-fuel ratio control device of an internal combustion engine

Exhaust emission control device of internal combustion engine

Internal combustion engine and control method of the same

Regeneration controller for exhaust purification apparatus of internal combustion engine

Device for detecting deterioration of catalytic converter for cleaning exhaust gases

Exhaust purifying apparatus for internal combustion engine

Regeneration controller for exhaust purification apparatus of internal combustion engine

Exhaust purifying apparatus and exhaust purifying method for internal combustion engine

Electronic method and apparatus for controlling an automatic transmission

Method for computing a compensation value for an engine having electronic fuel injection control

Fuel supply control system for an engine

Fuel-vapor emission-control system for controlling the pressure in a system

Fuel supply control system for an engine

Vehicle transmission shift control apparatus having means for suitably determining compensating coefficient used in determining shifting of the transmission

Apparatus for regulating vehicle transmission line pressure based on throttle opening or engine intake air quantity

Apparatus for controlling shifting of vehicle automatic transmission based on engine intake air quantity

Evaporative fuel recovery apparatus

Thermal air-flow sensor

Air-fuel ratio feedback system having improved activation determination for air-fuel ratio sensor

Air-fuel ratio feedback control system having short-circuit detection for air-fuel ratio sensor

Fuel injection control system for internal combustion engine when starting

Device and method for controlling fuel injected internal combustion engine providing cold acceleration extra fuel

Device and method for controlling fuel injected internal combustion engine providing hot deceleration enrichment

Fuel injection control device of an engine

Fuel injection control device of an engine

Exhaust apparatus for a V-type internal combustion engine

Air-fuel ratio control apparatus

Catalyst deterioration determining apparatus for internal combustion engine, and control method for the apparatus

SEIKO EPSON CORP

Method of forming a forgery-preventive image and apparatus therefor

Liquid ejecting apparatus and method of maintaining the same

Liquid ejecting apparatus and maintenance method for liquid ejecting apparatus

Liquid supplying device, liquid ejecting apparatus, and liquid supplying method

MATSUOKA HIROKI

Microcomputer, electronic instrument, and flash memory protection method

Sheet transport apparatus and sheet transport method

Flow path unit and image forming apparatus that includes flow path unit

FUJITSU TEN LTD

Gas leakage detection and fail-safe control method for gas-fueled internal combustion engine and apparatus for implementing the same

Fuel injection control system for compressed natural gas-fueled automotive vehicle

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Pixel defect correction apparatus

System for controlling the amount of light reaching an image pick-up apparatus based on a brightness/darkness ratio weighing

SUMITOMO HEAVY INDUSTRIES

Conveyor roller drive device and drive roller assembly

TOYOTA MOTOR CORP

Thermal air-flow sensor

MAZDA MOTOR

Front body structure of vehicle

SONY CORP

Flat panel speaker and display unit