Inventor
YOKOI TATSUHISA
JP17 patents
⚠️ This page may combine multiple inventors who share the name “YOKOI TATSUHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
14 patentsUS4723529AFeb 9, 1988
Oil separator for a blowby gas ventilation system of an internal combustion engine
TOYOTA MOTOR CO LTD64 citations93
US7677029B2Mar 16, 2010
Regeneration controller for exhaust purification apparatus of internal combustion engine
TOYOTA MOTOR CO LTD9 citations84
US7607290B2Oct 27, 2009
Exhaust purifying apparatus for internal combustion engine
TOYOTA MOTOR CO LTD9 citations83
US7600373B2Oct 13, 2009
Regeneration controller for exhaust purification apparatus of internal combustion engine
TOYOTA MOTOR CO LTD12 citations83
US7340884B2Mar 11, 2008
Exhaust purifying apparatus and exhaust purifying method for internal combustion engine
TOYOTA MOTOR CO LTD14 citations83
US4672939AJun 16, 1987
Intake manifold for internal combustion engine having exhaust gas recirculation system
TOYOTA MOTOR CO LTD20 citations80
US7739904B2Jun 22, 2010
Abnormality detection apparatus and method for oil level sensor
TOYOTA MOTOR CO LTD8 citations79
US4648373AMar 10, 1987
Intake manifold for internal combustion engine having exhaust gas recirculation system
TOYOTA MOTOR CO LTD14 citations70
US7451748B2Nov 18, 2008
EGR cooler system
TOYOTA MOTOR CO LTD7 citations69
US7849677B2Dec 14, 2010
Regeneration controller for exhaust purification apparatus of internal combustion engine
TOYOTA MOTOR CO LTD4 citations62
US7841169B2Nov 30, 2010
Regeneration controller for exhaust purification apparatus of internal combustion engine
TOYOTA MOTOR CO LTD3 citations62
US7484359B2Feb 3, 2009
Exhaust purifying apparatus for internal combustion engine
TOYOTA MOTOR CO LTD3 citations62
US7895830B2Mar 1, 2011
Exhaust gas purification system for internal combustion engine and exhaust gas purification method therefor
TOYOTA MOTOR CO LTD6 citations60
US7836685B2Nov 23, 2010
Regeneration controller for exhaust purification apparatus of internal combustion engine
TOYOTA MOTOR CO LTD4 citations59