Inventor
OYAMA YOSHISHIGE
JP58 patents
⚠️ This page may combine multiple inventors who share the name “OYAMA YOSHISHIGE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
49 patentsUS6343585B1Feb 5, 2002
Apparatus for and method of controlling internal combustion engine
HITACHI LTD36 citations96
US6148791ANov 21, 2000
Apparatus for and method of controlling internal combustion engine
HITACHI LTD50 citations96
US5875761AMar 2, 1999
Apparatus for and method of controlling internal combustion engine
HITACHI LTD32 citations96
US5666916ASep 16, 1997
Apparatus for and method of controlling internal combustion engine
HITACHI LTD71 citations96
US4865006ASep 12, 1989
Liquid atomizer
HITACHI LTD58 citations96
US4709581ADec 1, 1987
Air flow meter
HITACHI LTD63 citations96
US4627312ADec 9, 1986
Automatic transmission
HITACHI LTD97 citations96
US4325341AApr 20, 1982
Fuel control device for fuel injection system for internal combustion engine
HITACHI LTD55 citations96
US4264961AApr 28, 1981
Air flow rate measuring apparatus
HITACHI LTD151 citations96
US4205377AMay 27, 1980
Control system for internal combustion engine
HITACHI LTD45 citations96
US4181944AJan 1, 1980
Apparatus for engine control
HITACHI LTD84 citations96
US6453871B1Sep 24, 2002
Apparatus for and method of controlling internal combustion engine
HITACHI LTD14 citations93
US4887574ADec 19, 1989
Control apparatus for internal combustion engines
HITACHI LTD38 citations93
US4771752ASep 20, 1988
Control system for internal combustion engines
HITACHI LTD35 citations93
US4616621AOct 14, 1986
Method of air-fuel ratio control of internal combustion engines of automobiles
HITACHI LTD30 citations93
US4612895ASep 23, 1986
Fuel flow detector and fuel controller using fuel flow detector
HITACHI LTD27 citations93
US4590915AMay 27, 1986
Multi-cylinder fuel atomizer for automobiles
HITACHI LTD31 citations93
US4561403ADec 31, 1985
Air-fuel ratio control apparatus for internal combustion engines
HITACHI LTD33 citations93
US4424568AJan 3, 1984
Method of controlling internal combustion engine
HITACHI LTD58 citations93
US4387429AJun 7, 1983
Fuel injection system for internal combustion engine
HITACHI LTD28 citations93
US4562731AJan 7, 1986
Air flow meter
HITACHI LTD28 citations92
US4517837AMay 21, 1985
Air flow rate measuring apparatus
HITACHI LTD42 citations92
US4444169AApr 24, 1984
Air-fuel ratio controlling device for internal combustion engines
HITACHI LTD42 citations92
US4400974AAug 30, 1983
Intake air amount detecting system for internal combustion engines
HITACHI LTD39 citations92
US4381668AMay 3, 1983
Gas flow measuring apparatus
HITACHI LTD43 citations92
US4373387AFeb 15, 1983
Air flow meter
HITACHI LTD39 citations92
US4094285AJun 13, 1978
Gas mixture feed system for internal combustion engine
HITACHI LTD50 citations92
US4825838AMay 2, 1989
Air/fuel ratio control apparatus for an internal combustion engine
HITACHI LTD21 citations82
US4779455AOct 25, 1988
Air-fuel ratio detecting sensor
HITACHI LTD17 citations82
US4629535ADec 16, 1986
Method for detecting an air-fuel ratio
HITACHI LTD21 citations82
US4576136AMar 18, 1986
Fuel dispenser for internal combustion engine
HITACHI LTD24 citations82
US4563993AJan 14, 1986
Fuel feeding apparatus
HITACHI LTD23 citations82
US4552116ANov 12, 1985
Engine control apparatus
HITACHI LTD26 citations82
US4534330AAug 13, 1985
Air/fuel ratio detector
HITACHI LTD22 citations82
US4478075AOct 23, 1984
Air flow meter
HITACHI LTD25 citations82
US4425886AJan 17, 1984
Electronic control apparatus for internal combustion engine
HITACHI LTD21 citations82
US4420972ADec 20, 1983
Air intake measuring apparatus for internal combustion engine
HITACHI LTD19 citations82
US4349877ASep 14, 1982
Electronically controlled carburetor
HITACHI LTD28 citations82
US4748953AJun 7, 1988
Air/fuel ratio control apparatus for internal combustion engines
HITACHI LTD9 citations74
US4716760AJan 5, 1988
Air-fuel ratio detection system
HITACHI LTD7 citations74
US4596220AJun 24, 1986
Electronically-controlled system for supplying fuel into cylinder
HITACHI LTD17 citations74
US4527423AJul 9, 1985
Air flow meter for internal-combustion engine
HITACHI LTD14 citations74
US4201166AMay 6, 1980
Air to fuel ratio control system for internal combustion engine
HITACHI LTD7 citations74
US4622125ANov 11, 1986
Oxygen concentration control system
HITACHI LTD17 citations73
US4558678ADec 17, 1985
Fuel feeding apparatus for internal combustion engine
HITACHI LTD12 citations73
US4369656AJan 25, 1983
Air intake measuring device for internal combustion engine
HITACHI LTD12 citations73
US4882030ANov 21, 1989
Air-fuel ratio detection system for engine exhaust gas
HITACHI LTD16 citations72
US4442818AApr 17, 1984
Fuel injection apparatus for internal combustion engines
HITACHI LTD9 citations72
US4417558ANov 29, 1983
Fuel feeding apparatus for internal combustion engine
HITACHI LTD9 citations68
NISSAN MOTOR
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