Inventor
TAKAGI NAOYA
JP39 patents
⚠️ This page may combine multiple inventors who share the name “TAKAGI NAOYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
26 patentsUS6761154B2Jul 13, 2004
Evaporative fuel processing apparatus and control method of same
TOYOTA MOTOR CO LTD66 citations96
US6405718B1Jun 18, 2002
Malfunction test apparatus for fuel vapor purge system
TOYOTA MOTOR CO LTD34 citations93
US6283088B1Sep 4, 2001
Method and apparatus for processing vapor fuel of lean-burn internal combustion engine
TOYOTA MOTOR CO LTD19 citations93
US5878728AMar 9, 1999
Failure diagnosis apparatus for evaporative purge system
TOYOTA MOTOR CO LTD24 citations93
US5845625ADec 8, 1998
Defect diagnosing apparatus of evaporation purge system
TOYOTA MOTOR CO LTD47 citations93
US6769419B2Aug 3, 2004
Diagnostic apparatus for an evaporated fuel system, and vehicle control apparatus for a vehicle equipped with the diagnostic apparatus
TOYOTA MOTOR CO LTD18 citations92
US6679230B2Jan 20, 2004
Diagnostic apparatus for an evaporated fuel system, and vehicle control apparatus for a vehicle equipped with the diagnostic apparatus
TOYOTA MOTOR CO LTD14 citations92
US6575146B1Jun 10, 2003
Diagnostic apparatus for an evaporated fuel system, and vehicle control apparatus for a vehicle equipped with the diagnostic apparatus
TOYOTA MOTOR CO LTD19 citations92
US6474148B2Nov 5, 2002
Diagnostic apparatus for fuel vapor purge system
TOYOTA MOTOR CO LTD27 citations92
US6446614B1Sep 10, 2002
Fuel storage apparatus and abnormality diagnostic method
TOYOTA MOTOR CO LTD38 citations92
US6438945B1Aug 27, 2002
Evaporated fuel treatment device of an engine
TOYOTA MOTOR CO LTD34 citations92
US6371089B1Apr 16, 2002
Diagnostic apparatus and method of fuel vapor purge system
TOYOTA MOTOR CO LTD45 citations92
US6257209B1Jul 10, 2001
Evaporative fuel processing apparatus for lean-burn internal combustion engine
TOYOTA MOTOR CO LTD32 citations92
US6240908B1Jun 5, 2001
Fuel storage device diagnostic apparatus
TOYOTA MOTOR CO LTD34 citations92
US6102003AAug 15, 2000
Apparatus for detecting concentration of fuel vapor in lean-burn internal combustion engine, and applied apparatus thereof
TOYOTA MOTOR CO LTD35 citations92
US6044831AApr 4, 2000
Fuel vapor feed controlling apparatus for lean burn type internal combustion engine
TOYOTA MOTOR CO LTD34 citations92
US5954034ASep 21, 1999
Malfunction diagnosis apparatus for evaporated fuel purge system
TOYOTA MOTOR CO LTD41 citations92
US5735251AApr 7, 1998
Fuel-vapor emission control apparatus for engine
TOYOTA MOTOR CO LTD34 citations92
US5778859AJul 14, 1998
Evaporative fuel processing apparatus of internal combustion engine
TOYOTA MOTOR CO LTD17 citations84
US6131448AOct 17, 2000
Diagnostic apparatus and method for fuel vapor treating apparatus
TOYOTA MOTOR CO LTD11 citations74
US5836291ANov 17, 1998
Evaporated fuel processing apparatus for an internal combustion engine
TOYOTA MOTOR CO LTD13 citations74
US6257218B1Jul 10, 2001
Fuel vapor feed controlling apparatus for a lean burn type internal combustion engine
TOYOTA MOTOR CO LTD9 citations73
US6145306ANov 14, 2000
Exhaust gas purifying of lean-burn internal combustion engine
TOYOTA MOTOR CO LTD12 citations73
US10221799B2Mar 5, 2019
Control device for internal combustion engine
TOYOTA MOTOR CO LTD1 citations62
US10710446B2Jul 14, 2020
Engine starting system for vehicle
TOYOTA MOTOR CO LTD1 citations61
US10639984B2May 5, 2020
Control system for vehicle
TOYOTA MOTOR CO LTD0 citations40
YOSHIOKA MAMORU
10 patentsUS8784741B2Jul 22, 2014
Electrically-heated catalytic converter
YOSHIOKA MAMORU8 citations84
US8661796B2Mar 4, 2014
Vehicle control device
YOSHIOKA MAMORU10 citations84
US8826643B2Sep 9, 2014
Exhaust gas purifying device for internal combustion engine
YOSHIOKA MAMORU4 citations73
US9060387B2Jun 16, 2015
Electric heating catalyst
YOSHIOKA MAMORU2 citations62
US8997470B2Apr 7, 2015
Exhaust gas purifying device for internal combustion engine
YOSHIOKA MAMORU3 citations62
US8863498B2Oct 21, 2014
Exhaust gas purification apparatus of an internal combustion engine
YOSHIOKA MAMORU2 citations62
US8667781B2Mar 11, 2014
Vehicle control device
YOSHIOKA MAMORU2 citations62
US9131535B2Sep 8, 2015
Electric heating catalyst
YOSHIOKA MAMORU1 citations52
US8911674B2Dec 16, 2014
Electrically heated catalyst
YOSHIOKA MAMORU0 citations41
US8647583B2Feb 11, 2014
Electric heating type catalyst and a method for manufacturing the same
YOSHIOKA MAMORU0 citations41