Inventor
TAKEDA KEISO
JP59 patents
⚠️ This page may combine multiple inventors who share the name “TAKEDA KEISO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
44 patentsUS5551231ASep 3, 1996
Engine exhaust gas purification device
TOYOTA MOTOR CO LTD143 citations97
US6161780ADec 19, 2000
Fuel injection valve for an internal combustion engine
TOYOTA MOTOR CO LTD47 citations96
US6089476AJul 18, 2000
Fuel injection valve for an internal combustion engine
TOYOTA MOTOR CO LTD70 citations96
US5596957AJan 28, 1997
Engine
TOYOTA MOTOR CO LTD38 citations96
US4538556ASep 3, 1985
Air intake device of an internal combustion engine
TOYOTA MOTOR CO LTD58 citations96
US4480616ANov 6, 1984
Knock control method and apparatus for an internal-combustion engine
TOYOTA MOTOR CO LTD124 citations96
US4982716AJan 8, 1991
Fuel injection valve with an air assist adapter for an internal combustion engine
TOYOTA MOTOR CO LTD110 citations95
US5934253AAug 10, 1999
Fuel injection apparatus
TOYOTA MOTOR CO LTD33 citations93
US5301879AApr 12, 1994
Fuel injection device for an internal combustion engine
TOYOTA MOTOR CO LTD25 citations93
US5156133AOct 20, 1992
Fuel supply device of an engine
TOYOTA MOTOR CO LTD45 citations93
US4565166AJan 21, 1986
Intake system for an internal combustion engine
TOYOTA MOTOR CO LTD30 citations93
US5772124AJun 30, 1998
Fuel injection valve
TOYOTA MOTOR CO LTD49 citations92
US5704324AJan 6, 1998
Engine
TOYOTA MOTOR CO LTD20 citations92
US5542388AAug 6, 1996
Air-flow control device for engine
TOYOTA MOTOR CO LTD48 citations92
US5461857AOct 31, 1995
Engine exhaust gas purification device
TOYOTA MOTOR CO LTD51 citations92
US5156124AOct 20, 1992
Fuel injection structure for an internal combustion engine
TOYOTA MOTOR CO LTD28 citations92
US6206304B1Mar 27, 2001
Injector
TOYOTA MOTOR CO LTD28 citations91
US6065436AMay 23, 2000
Device for controlling fuel injection into an internal combustion engine
TOYOTA MOTOR CO LTD48 citations90
US4378001AMar 29, 1983
Fuel injection type carburetor
TOYOTA MOTOR CO LTD38 citations89
US5218943AJun 15, 1993
Fuel injection apparatus for internal combustion engine
TOYOTA MOTOR CO LTD53 citations87
USRE40199EApr 1, 2008
Fuel injection valve for an internal combustion engine
TOYOTA MOTOR CO LTD11 citations84
US6213413B1Apr 10, 2001
Fuel injection valve and method of manufacturing the fuel injection valve
TOYOTA MOTOR CO LTD16 citations84
US6161781ADec 19, 2000
Fuel injector for an internal combustion engine
TOYOTA MOTOR CO LTD18 citations84
US6070811AJun 6, 2000
Fuel injector for an internal combustion engine
TOYOTA MOTOR CO LTD18 citations84
US5671708ASep 30, 1997
Engine
TOYOTA MOTOR CO LTD16 citations82
US4327675AMay 4, 1982
Fuel injection type internal combustion engine
TOYOTA MOTOR CO LTD21 citations82
US4315491AFeb 16, 1982
Fuel injection type internal combustion engine
TOYOTA MOTOR CO LTD20 citations82
US6155504ADec 5, 2000
Fuel injector for an internal combustion engine
TOYOTA MOTOR CO LTD14 citations74
US6142392ANov 7, 2000
Fuel injector for an internal combustion engine
TOYOTA MOTOR CO LTD10 citations74
US5984211ANov 16, 1999
Fuel injection valve for an internal combustion engine
TOYOTA MOTOR CO LTD16 citations74
US5676102AOct 14, 1997
Engine
TOYOTA MOTOR CO LTD5 citations74
US5666919ASep 16, 1997
Engine
TOYOTA MOTOR CO LTD4 citations74
US4321900AMar 30, 1982
Fuel injection type internal combustion engine
TOYOTA MOTOR CO LTD16 citations74
US4240390ADec 23, 1980
Air-fuel ratio control system in internal combustion engine
TOYOTA MOTOR CO LTD19 citations74
US4231220ANov 4, 1980
Secondary air control system for an internal combustion engine
TOYOTA MOTOR CO LTD18 citations74
US6105883AAug 22, 2000
Fuel injector for an internal combustion engine
TOYOTA MOTOR CO LTD14 citations73
US4925110AMay 15, 1990
Fuel injection valve for an internal combustion engine having a pillar opposing a fuel injection hole
TOYOTA MOTOR CO LTD20 citations73
US4608948ASep 2, 1986
Air intake device of an internal combustion engine
TOYOTA MOTOR CO LTD12 citations73
US4574748AMar 11, 1986
Air intake device of an internal combustion engine
TOYOTA MOTOR CO LTD13 citations73
US4348997ASep 14, 1982
Fuel injection type carburetor
TOYOTA MOTOR CO LTD16 citations68
USRE40886ESep 1, 2009
Fuel injection valve for an internal combustion engine
TOYOTA MOTOR CO LTD3 citations63
US6606978B2Aug 19, 2003
Internal combustion engine fuel injection apparatus and control method thereof
TOYOTA MOTOR CO LTD2 citations63
US6510844B2Jan 28, 2003
Fuel supplying apparatus and control method thereof
TOYOTA MOTOR CO LTD3 citations63
US6047904AApr 11, 2000
Fuel injector for an internal combustion engine
TOYOTA MOTOR CO LTD6 citations63
NIPPON SOKEN
3 patentsAISAN IND
3 patentsShowing the top 50 of 59 patents by PatentIndex Score.