Inventor
IZUTANI TAKAHIDE
JP16 patents
⚠️ This page may combine multiple inventors who share the name “IZUTANI TAKAHIDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
12 patentsUS6032753AMar 7, 2000
Catalyst temperature control apparatus for hybrid vehicle
TOYOTA MOTOR CO LTD98 citations96
US5088281AFeb 18, 1992
Method and apparatus for determining deterioration of three-way catalysts in double air-fuel ratio sensor system
TOYOTA MOTOR CO LTD111 citations95
US5899828AMay 4, 1999
Engine pumping loss control apparatus for locking intake or exhaust valves full open during regenerative braking hybrid vehicle
TOYOTA MOTOR CO LTD78 citations94
US5577484ANov 26, 1996
Method and apparatus for detecting trouble in exhaust-gas recirculation system
TOYOTA MOTOR CO LTD23 citations92
US6059057AMay 9, 2000
Catalyst temperature control apparatus for hybrid vehicle
TOYOTA MOTOR CO LTD47 citations91
US6343499B1Feb 5, 2002
Air-fuel ratio detecting apparatus and method
TOYOTA MOTOR CO LTD27 citations89
US6082338AJul 4, 2000
Evaporation fuel treating device for an internal combustion engine
TOYOTA MOTOR CO LTD16 citations84
US5664548ASep 9, 1997
Apparatus for detecting trouble in exhaust-gas recirculation system
TOYOTA MOTOR CO LTD18 citations83
US8746274B2Jun 10, 2014
Hydrogen supply apparatus and fuel gas supply apparatus
TOYOTA MOTOR CO LTD10 citations82
US4732128AMar 22, 1988
Method and apparatus for controlling heater for heatng air-fuel ratio sensor
TOYOTA MOTOR CO LTD12 citations73
US7794888B2Sep 14, 2010
Fuel cell system
TOYOTA MOTOR CO LTD3 citations61
US7851097B2Dec 14, 2010
Fuel cell system
TOYOTA MOTOR CO LTD2 citations60