Inventor
HATTORI KAZUTAKA
JP12 patents
⚠️ This page may combine multiple inventors who share the name “HATTORI KAZUTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
8 patentsUS7393441B2Jul 1, 2008
Controller for gas concentration sensor
TOYOTA MOTOR CO LTD6 citations72
US7901562B2Mar 8, 2011
Oxygen sensor deterioration detection method
TOYOTA MOTOR CO LTD2 citations61
US7846313B2Dec 7, 2010
Controller for gas concentration sensor
TOYOTA MOTOR CO LTD2 citations61
US7297240B2Nov 20, 2007
Oxygen sensor deterioration detection apparatus
TOYOTA MOTOR CO LTD5 citations61
US7043957B2May 16, 2006
Element impedance detection apparatus and method for oxygen sensor
TOYOTA MOTOR CO LTD6 citations61
US6978653B2Dec 27, 2005
Abnormality detection system of oxygen sensor and abnormality detection method thereof
TOYOTA MOTOR CO LTD2 citations61
US7909970B2Mar 22, 2011
Controller for gas concentration sensor
TOYOTA MOTOR CO LTD0 citations51
US6957563B2Oct 25, 2005
Abnormality detection device for air-fuel ratio sensor
TOYOTA MOTOR CO LTD1 citations50