Inventor
SUDA SEIJI
JP38 patents
⚠️ This page may combine multiple inventors who share the name “SUDA SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
37 patentsUS4970645ANov 13, 1990
Suspension control method and apparatus for vehicle
HITACHI LTD55 citations96
US4893590AJan 16, 1990
Automotive liquid-cooled electronic control apparatus
HITACHI LTD78 citations96
US4201161AMay 6, 1980
Control system for internal combustion engine
HITACHI LTD48 citations93
US5816976AOct 6, 1998
Driving torque control device and method for controlling driving torque
HITACHI LTD26 citations92
US4752771AJun 21, 1988
Electronic instrument panel
HITACHI LTD42 citations92
US4425891AJan 17, 1984
Engine knock control apparatus
HITACHI LTD27 citations92
US4366541ADec 28, 1982
Method and system for engine control
HITACHI LTD39 citations92
US4310888AJan 12, 1982
Technique for controlling the starting operation of an electronic engine control apparatus
HITACHI LTD37 citations92
US4309759AJan 5, 1982
Electronic engine control apparatus
HITACHI LTD42 citations92
US4290107ASep 15, 1981
Electronic fuel control system for an internal combustion engine
HITACHI LTD34 citations92
US3942485AMar 9, 1976
Fuel injection apparatus
HITACHI LTD52 citations92
US4348729ASep 7, 1982
Engine control system including non-volatile memory and correction data transfer method
HITACHI LTD25 citations82
US4190027AFeb 26, 1980
Electronic spark timing advancing apparatus
HITACHI LTD27 citations81
US4335689AJun 22, 1982
Electronic type air/fuel ratio control system
HITACHI LTD21 citations78
US6401454B2Jun 11, 2002
Engine control device
HITACHI LTD10 citations74
US6212880B1Apr 10, 2001
Engine control device
HITACHI LTD7 citations74
US5544523AAug 13, 1996
Physical quantity sensor arrangement
HITACHI LTD7 citations74
US4825833AMay 2, 1989
Engine control apparatus
HITACHI LTD16 citations74
US4742807AMay 10, 1988
Electronic control device for internal combustion engine
HITACHI LTD10 citations74
US4565171AJan 21, 1986
Knock controller for an internal combustion engine
HITACHI LTD9 citations74
US4523284AJun 11, 1985
Method of controlling internal combustion engine
HITACHI LTD9 citations74
US4363307ADec 14, 1982
Method for adjusting the supply of fuel to an internal combustion engine for an acceleration condition
HITACHI LTD15 citations74
US4285323AAug 25, 1981
Transistorized ignition apparatus for driving ignition coils in an internal combustion engine
HITACHI LTD8 citations74
US4248200AFeb 3, 1981
Ignition system for internal combustion engine
HITACHI LTD17 citations74
US4030468AJun 21, 1977
Ignition system for internal combustion engines
HITACHI LTD19 citations74
US5211056AMay 18, 1993
Thermal type intake air flow measuring instrument
HITACHI LTD13 citations73
US5107812AApr 28, 1992
Thermal type intake air flow measuring instrument and internal combustion engine control apparatus using this measuring instrument
HITACHI LTD17 citations73
US4562813AJan 7, 1986
Knock control system
HITACHI LTD7 citations72
US4736198AApr 5, 1988
Multi-color liquid crystal display system
HITACHI LTD12 citations71
US4759327AJul 26, 1988
Apparatus for controlling an internal combustion engine
HITACHI LTD5 citations63
US4112903ASep 12, 1978
Ignition system for an internal combustion engine
HITACHI LTD2 citations63
US4044733AAug 30, 1977
Ignition apparatus for internal combustion engine
HITACHI LTD6 citations63
US3995608ADec 7, 1976
Ignition timing control system for internal combustion engine
HITACHI LTD3 citations63
US3973544AAug 10, 1976
Ignition system for internal combustion engines
HITACHI LTD3 citations63
US3939433AFeb 17, 1976
Feedback circuit
HITACHI LTD4 citations63
US4852010AJul 25, 1989
Learning control method for internal combustion engines
HITACHI LTD6 citations61
US4708440ANov 24, 1987
Liquid crystal display device
HITACHI LTD1 citations51