Inventor
YAMAGUCHI SHUNZO
26 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI SHUNZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON DENSO CO
12 patentsUS4505107AMar 19, 1985
Exhaust gas cleaning apparatus
NIPPON DENSO CO136 citations96
US4449039AMay 15, 1984
Ceramic heater
NIPPON DENSO CO87 citations96
US4448833AMay 15, 1984
Porous ceramic body and a method of manufacturing the same
NIPPON DENSO CO113 citations96
US4475029AOct 2, 1984
Ceramic heater
NIPPON DENSO CO102 citations95
US4639712AJan 27, 1987
Sheathed heater
NIPPON DENSO CO101 citations94
US4713582ADec 15, 1987
Spark plug
NIPPON DENSO CO45 citations92
US4613455ASep 23, 1986
Ceramic heater and a method for its production
NIPPON DENSO CO36 citations92
US4549905AOct 29, 1985
Ceramic heater
NIPPON DENSO CO39 citations92
US4426568AJan 17, 1984
Glow plug for diesel engines
NIPPON DENSO CO24 citations78
US4640996AFeb 3, 1987
Ignition distributor for internal combustion engines
NIPPON DENSO CO2 citations62
US4625085ANov 25, 1986
Material for high frequency suppression and distributor for combustion engine composed of the same material
NIPPON DENSO CO6 citations62
US4681989AJul 21, 1987
Ignition distributor for internal combustion engines
NIPPON DENSO CO1 citations51
NIPPON SOKEN
9 patentsUS4175386ANov 27, 1979
Exhaust gas purification apparatus for an internal combustion engine
NIPPON SOKEN24 citations80
US4030464AJun 21, 1977
Fuel-air mixture heating device for use with internal combustion engine
NIPPON SOKEN16 citations74
US4002025AJan 11, 1977
System for heating intake pipe of internal combustion engine
NIPPON SOKEN13 citations73
US3977366AAug 31, 1976
Intake system of internal combustion engine
NIPPON SOKEN10 citations73
US4147030AApr 3, 1979
Engine exhaust gas purification system
NIPPON SOKEN10 citations72
US4036183AJul 19, 1977
Rotary piston engine
NIPPON SOKEN8 citations72
US3977368AAug 31, 1976
Rotary piston engine
NIPPON SOKEN13 citations72
US3970049AJul 20, 1976
Ignition system for rotary piston engine
NIPPON SOKEN17 citations72
US4191013AMar 4, 1980
Device for purifying exhaust gases from internal combustion engine
NIPPON SOKEN7 citations61
TOYOTA MOTOR CO LTD
5 patentsUS4202312AMay 13, 1980
Ignition device for rotary piston engine
TOYOTA MOTOR CO LTD55 citations96
US4162669AJul 31, 1979
Ignition system for rotary piston engines
TOYOTA MOTOR CO LTD19 citations82
US4170212AOct 9, 1979
Ignition system for rotary piston engines
TOYOTA MOTOR CO LTD11 citations74
US4110979ASep 5, 1978
Apparatus for introducing secondary air into an exhaust system of an internal combustion engine
TOYOTA MOTOR CO LTD5 citations63
US4164261AAug 14, 1979
Ignition apparatus for rotary piston engine
TOYOTA MOTOR CO LTD2 citations62