Inventor
KOBASHI KIYOSHI
34 patents
⚠️ This page may combine multiple inventors who share the name “KOBASHI KIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
21 patentsUS5473887ADec 12, 1995
Exhaust purification device of internal combustion engine
TOYOTA MOTOR CO LTD340 citations99
US4934142AJun 19, 1990
Exhaust emission control device for a diesel engine
TOYOTA MOTOR CO LTD153 citations99
US4916897AApr 17, 1990
Exhaust gas purifying apparatus built-in to a muffler for a diesel engine
TOYOTA MOTOR CO LTD127 citations98
US5406790AApr 18, 1995
Exhaust gas purification device for an engine
TOYOTA MOTOR CO LTD149 citations97
US4452040AJun 5, 1984
Soot catcher purgative diesel engine fuel supply method and apparatus
TOYOTA MOTOR CO LTD61 citations96
US4161929AJul 24, 1979
Exhaust gas recirculation control system for an internal combustion engine
TOYOTA MOTOR CO LTD56 citations96
US4404795ASep 20, 1983
Method of and apparatus for reducing emitted amount of particulates contained in exhaust gas of diesel engine
TOYOTA MOTOR CO LTD143 citations95
US4549398AOct 29, 1985
Exhaust gas cleaning device for diesel engines
TOYOTA MOTOR CO LTD55 citations94
US5826427AOct 27, 1998
Compression ignition type engine
TOYOTA MOTOR CO LTD21 citations93
US4164032AAug 7, 1979
Computer control of an exhaust gas recirculation device for an internal combustion engine
TOYOTA MOTOR CO LTD35 citations93
US4875336AOct 24, 1989
Exhaust gas emission control device for diesel engine
TOYOTA MOTOR CO LTD54 citations92
US5930995AAug 3, 1999
Exhaust gas purification device for a compression-ignition combustion engine
TOYOTA MOTOR CO LTD48 citations91
US5851249ADec 22, 1998
Particulate trap for a diesel engine
TOYOTA MOTOR CO LTD22 citations91
US4171691AOct 23, 1979
Exhaust gas recirculation control system for an internal combustion engine
TOYOTA MOTOR CO LTD23 citations82
US4056933ANov 8, 1977
Exhaust gas purifier in an internal combustion engine
TOYOTA MOTOR CO LTD26 citations82
US4299600ANov 10, 1981
Trapper device for collecting and incinerating fine particulates included in exhaust gas from a diesel engine
TOYOTA MOTOR CO LTD19 citations74
US4191144AMar 4, 1980
Method for controlling ignition timing in an internal combustion engine
TOYOTA MOTOR CO LTD18 citations74
US4170973AOct 16, 1979
Exhaust gas recirculation system of an internal combustion engine
TOYOTA MOTOR CO LTD11 citations74
US4040402AAug 9, 1977
Exhaust gas re-circulation system for an internal combustion engine
TOYOTA MOTOR CO LTD8 citations74
US4723069AFeb 2, 1988
Ceramic heater
TOYOTA MOTOR CO LTD9 citations72
US4066056AJan 3, 1978
Exhaust gas recirculator
TOYOTA MOTOR CO LTD6 citations63
NIPPON SOKEN
9 patentsUS4485622ADec 4, 1984
Exhaust gas cleaning device for internal combustion engine
NIPPON SOKEN74 citations96
US4386497AJun 7, 1983
Exhaust gas cleaning device for internal combustion engine
NIPPON SOKEN37 citations92
US4404798ASep 20, 1983
Exhaust gas cleaning device for internal combustion engine
NIPPON SOKEN21 citations82
US4257382AMar 24, 1981
Electronic control system for internal combustion engines
NIPPON SOKEN13 citations74
US4242997AJan 6, 1981
Exhaust gas recirculation system for internal combustion engines
NIPPON SOKEN11 citations74
US4322799AMar 30, 1982
Exhaust gas recirculation valve control system and method
NIPPON SOKEN3 citations63
US4250855AFeb 17, 1981
Electronic control system for carburetor
NIPPON SOKEN2 citations63
US4248187AFeb 3, 1981
Electronic control system for internal combustion engines
NIPPON SOKEN2 citations63
US4226222AOct 7, 1980
Exhaust gas recirculation system for internal combustion engines
NIPPON SOKEN5 citations63