Inventor

OHYAMA YOSHISHIGE

JP39 patents

Patents

39 patents

US5533329AJul 9, 1996

Apparatus and method of fuel injection and ignition of internal combustion engine

HITACHI LTD57 citations96

US5496227AMar 5, 1996

Torque control method and apparatus for internal combustion engine and motor vehicles employing the same

HITACHI LTD77 citations96

US5369581ANov 29, 1994

Vehicle control apparatus and method therefor

HITACHI LTD86 citations96

US5357749AOct 25, 1994

Apparatus for controlling exhaust concentration

HITACHI LTD65 citations96

US5150635ASep 29, 1992

Method and appartaus for controlling driving power of motor vehicle

HITACHI LTD67 citations96

US6516264B2Feb 4, 2003

Control apparatus for drive system

HITACHI LTD30 citations93

US6298300B1Oct 2, 2001

Control apparatus for drive system composed of engine and transmission

HITACHI LTD16 citations93

US5813387ASep 29, 1998

Change gear control device using acceleration and gear ratio as parameters for automatic transmission in a motor vehicle and the method therefor

HITACHI LTD22 citations93

US5643133AJul 1, 1997

Change gear control device using acceleration and gear ratio as parameters for automatic transmission in a motor vehicle and the method therefor

HITACHI LTD25 citations93

US5470290ANov 28, 1995

Change gear control device using acceleration and gear ratio as parameters for automatic transmission in a motor vehicle and the method therefor

HITACHI LTD24 citations93

US5360166ANov 1, 1994

Fuel injection valve

HITACHI LTD46 citations93

US5261373ANov 16, 1993

Engine exhaust gas recirculation system

HITACHI LTD22 citations93

US5235876AAug 17, 1993

Change gear control device using acceleration and gear ratio as parameters for automatic transmission in motor vehicle and the method therefor

HITACHI LTD21 citations93

US5140965AAug 25, 1992

System for and method of supplying fuel to internal combustion engine

HITACHI LTD33 citations93

US5099815AMar 31, 1992

Fuel injection valve and fuel supply system equipped therewith for internal combustion engines

HITACHI LTD23 citations93

US5027778AJul 2, 1991

Fuel injection control apparatus

HITACHI LTD40 citations93

US4909212AMar 20, 1990

Electronically controlled type throttle valve for internal combustion engines

HITACHI LTD43 citations93

US4494405AJan 22, 1985

Air-flow meter for internal combustion engine

HITACHI LTD33 citations93

US4450719AMay 29, 1984

Air flow meter

HITACHI LTD33 citations93

US4142407AMar 6, 1979

Air flow metering apparatus for internal combustion engines

HITACHI LTD54 citations93

US4448070AMay 15, 1984

Hot-wire type flow velocity meter

HITACHI LTD32 citations92

US4404846ASep 20, 1983

Air flow rate measuring device incorporating hot wire type air flow meter

HITACHI LTD32 citations92

US4132199AJan 2, 1979

Air-fuel ratio control apparatus

HITACHI LTD53 citations92

US6000378ADec 14, 1999

Change gear control device using acceleration and gear ratio as parameters for automatic transmission in a motor vehicle and the method therefor

HITACHI LTD17 citations84

US5746679AMay 5, 1998

Method and apparatus for controlling driving power of motor vehicle

HITACHI LTD16 citations82

US5603673AFeb 18, 1997

Change gear control device using acceleration and gear ratio as parameters for automatic transmission in a motor vehicle and the method therefor

HITACHI LTD15 citations82

US5580330ADec 3, 1996

Method and apparatus for controlling driving power of motor vehicle

HITACHI LTD12 citations82

US6248040B1Jun 19, 2001

Engine system and engine control method

HITACHI LTD6 citations74

US5343781ASep 6, 1994

Method and apparatus for controlling driving power of motor vehicle

HITACHI LTD9 citations74

US5203983AApr 20, 1993

Air-fuel ratio sensor for an internal combustion engine and an air-fuel ratio control apparatus using the same

HITACHI LTD8 citations74

US5117795AJun 2, 1992

Air-fuel mixture supply apparatus for internal combustion engine

HITACHI LTD11 citations74

US5025766AJun 25, 1991

Fuel injection valve and fuel supply system equipped therewith for internal combustion engines

HITACHI LTD15 citations74

US4966033AOct 30, 1990

Air flow metering apparatus for internal combustion engines

HITACHI LTD8 citations74

USRE37269EJul 10, 2001

Air intake arrangement for internal combustion engine

HITACHI LTD12 citations73

US5325828AJul 5, 1994

Air intake arrangement for internal combustion engine

HITACHI LTD18 citations73

US4850219AJul 25, 1989

Method and apparatus for measuring the quantity of intake air based on the temperature variation caused by heat dissipation

HITACHI LTD0 citations42

OHYAMA YOSHISHIGE

Patents

Control apparatus for and control method of gas turbine

Control apparatus for drive system composed of engine and transmission

Engine system and engine control method

Apparatus and method of fuel injection and ignition of internal combustion engine

Torque control method and apparatus for internal combustion engine and motor vehicles employing the same

Vehicle control apparatus and method therefor

Apparatus for controlling exhaust concentration

Method and appartaus for controlling driving power of motor vehicle

Control apparatus for drive system

Control apparatus for drive system composed of engine and transmission

Change gear control device using acceleration and gear ratio as parameters for automatic transmission in a motor vehicle and the method therefor

Change gear control device using acceleration and gear ratio as parameters for automatic transmission in a motor vehicle and the method therefor

Change gear control device using acceleration and gear ratio as parameters for automatic transmission in a motor vehicle and the method therefor

Fuel injection valve

Engine exhaust gas recirculation system

Change gear control device using acceleration and gear ratio as parameters for automatic transmission in motor vehicle and the method therefor

System for and method of supplying fuel to internal combustion engine

Fuel injection valve and fuel supply system equipped therewith for internal combustion engines

Fuel injection control apparatus

Electronically controlled type throttle valve for internal combustion engines

Air-flow meter for internal combustion engine

Air flow meter

Air flow metering apparatus for internal combustion engines

Hot-wire type flow velocity meter

Air flow rate measuring device incorporating hot wire type air flow meter

Air-fuel ratio control apparatus

Change gear control device using acceleration and gear ratio as parameters for automatic transmission in a motor vehicle and the method therefor

Method and apparatus for controlling driving power of motor vehicle

Change gear control device using acceleration and gear ratio as parameters for automatic transmission in a motor vehicle and the method therefor

Method and apparatus for controlling driving power of motor vehicle

Engine system and engine control method

Method and apparatus for controlling driving power of motor vehicle

Air-fuel ratio sensor for an internal combustion engine and an air-fuel ratio control apparatus using the same

Air-fuel mixture supply apparatus for internal combustion engine

Fuel injection valve and fuel supply system equipped therewith for internal combustion engines

Air flow metering apparatus for internal combustion engines

Air intake arrangement for internal combustion engine

Air intake arrangement for internal combustion engine

Method and apparatus for measuring the quantity of intake air based on the temperature variation caused by heat dissipation