Inventor
OI YASUHIRO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “OI YASUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
14 patentsUS7152395B2Dec 26, 2006
Method and apparatus for controlling internal combustion engine
TOYOTA MOTOR CO LTD15 citations92
US7117665B2Oct 10, 2006
Catalyst degradation determining method
TOYOTA MOTOR CO LTD13 citations92
US6915628B2Jul 12, 2005
Catalyst degradation determining method
TOYOTA MOTOR CO LTD29 citations92
US6742327B2Jun 1, 2004
Method and apparatus for controlling internal combustion engine capable of intermittent operations
TOYOTA MOTOR CO LTD18 citations92
US6082103AJul 4, 2000
Exhaust manifold, for internal combustion engine, for improving durability of oxygen sensor at merging portion of exhaust manifold
TOYOTA MOTOR CO LTD71 citations92
US7650221B2Jan 19, 2010
Ejector system for vehicle
TOYOTA MOTOR CO LTD19 citations84
US7140177B2Nov 28, 2006
Secondary air supply system and abnormality diagnosis method of secondary air supply system
TOYOTA MOTOR CO LTD18 citations84
US7032374B2Apr 25, 2006
Exhaust purification apparatus for internal combustion engine
TOYOTA MOTOR CO LTD19 citations84
US6988359B2Jan 24, 2006
Exhaust gas control apparatus and exhaust gas purification method for internal combustion engine
TOYOTA MOTOR CO LTD14 citations84
US7165389B2Jan 23, 2007
Catalyst degradation determining method
TOYOTA MOTOR CO LTD7 citations73
US7543444B2Jun 9, 2009
Air supply apparatus
TOYOTA MOTOR CO LTD7 citations70
US5797382AAug 25, 1998
Air assist device of an engine
TOYOTA MOTOR CO LTD3 citations63
US7890242B2Feb 15, 2011
Internal combustion engine and method of controlling the same
TOYOTA MOTOR CO LTD2 citations60
US6997160B2Feb 14, 2006
Control device for an internal combustion engine
TOYOTA MOTOR CO LTD3 citations58