Inventor
MATSUMOTO HIROMITSU
32 patents
⚠️ This page may combine multiple inventors who share the name “MATSUMOTO HIROMITSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMAHA MOTOR CO LTD
31 patentsUS5865153AFeb 2, 1999
Engine control system and method
YAMAHA MOTOR CO LTD80 citations96
US5329912AJul 19, 1994
Induction system for an internal combustion engine
YAMAHA MOTOR CO LTD59 citations93
US5769060AJun 23, 1998
Air-assisted fuel injection system
YAMAHA MOTOR CO LTD18 citations92
US5623904AApr 29, 1997
Air-assisted fuel injection system
YAMAHA MOTOR CO LTD32 citations92
US4445473AMay 1, 1984
Control of carburetor-supplied induction system
YAMAHA MOTOR CO LTD29 citations92
US4257384AMar 24, 1981
Intake control apparatus of engine
YAMAHA MOTOR CO LTD33 citations92
US4192140AMar 11, 1980
Apparatus and method relating to internal combustion engines utilizing an exhaust gas reactor
YAMAHA MOTOR CO LTD31 citations92
US4117813AOct 3, 1978
Internal combustion engine and method of operating it
YAMAHA MOTOR CO LTD44 citations92
US5549086AAug 27, 1996
Sliding contact-making structures in internal combustion engine
YAMAHA MOTOR CO LTD31 citations90
US4276862AJul 7, 1981
Internal combustion engine of fuel injection type
YAMAHA MOTOR CO LTD26 citations82
US4244333AJan 13, 1981
Induction system for an internal combustion engine
YAMAHA MOTOR CO LTD20 citations82
US4901680AFeb 20, 1990
Intake system for engines
YAMAHA MOTOR CO LTD10 citations74
US4414953ANov 15, 1983
Internal combustion engine with exhaust gas recycling system
YAMAHA MOTOR CO LTD6 citations74
US4318380AMar 9, 1982
Intake system for multi-cylinder internal combustion engine
YAMAHA MOTOR CO LTD13 citations74
US4306533ADec 22, 1981
Internal combustion engine with exhaust gas recycling system
YAMAHA MOTOR CO LTD6 citations74
US4232640ANov 11, 1980
Induction system for an internal combustion engine
YAMAHA MOTOR CO LTD17 citations74
US4231339ANov 4, 1980
Control device for exhaust gas recycled internal combustion engine
YAMAHA MOTOR CO LTD12 citations74
US4191136AMar 4, 1980
Combustion chamber of an internal combustion engine
YAMAHA MOTOR CO LTD15 citations74
US4186706AFeb 5, 1980
Induction system for internal combustion engine
YAMAHA MOTOR CO LTD12 citations74
US4292944AOct 6, 1981
Intake control system for internal combustion engine
YAMAHA MOTOR CO LTD9 citations73
US4214561AJul 29, 1980
Induction system for an internal combustion engine
YAMAHA MOTOR CO LTD18 citations73
US4195602AApr 1, 1980
Intake control means for internal combustion engines
YAMAHA MOTOR CO LTD7 citations73
US4044080AAug 23, 1977
Carburetor
YAMAHA MOTOR CO LTD14 citations73
US4191140AMar 4, 1980
Induction flow guide device for internal combustion engine intake manifold
YAMAHA MOTOR CO LTD15 citations72
US4144861AMar 20, 1979
Fuel supply for internal combustion engines
YAMAHA MOTOR CO LTD14 citations72
US4106464AAug 15, 1978
Programmed control system for a lean-burning internal combustion engine
YAMAHA MOTOR CO LTD17 citations72
US4265202AMay 5, 1981
Induction system for an internal combustion engine
YAMAHA MOTOR CO LTD3 citations63
US4257374AMar 24, 1981
Method of controlling internal combustion
YAMAHA MOTOR CO LTD4 citations63
US4241712ADec 30, 1980
Induction system for an internal combustion engine
YAMAHA MOTOR CO LTD2 citations63
US4237828ADec 9, 1980
Method of controlling an internal combustion engine
YAMAHA MOTOR CO LTD4 citations63
US4191716AMar 4, 1980
Carburetor for internal combustion engines
YAMAHA MOTOR CO LTD5 citations62