Inventor
OTSUKA TAKAYUKI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “OTSUKA TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
17 patentsUS5295472AMar 22, 1994
Apparatus for detecting malfunction in evaporated fuel purge system used in internal combustion engine
TOYOTA MOTOR CO LTD113 citations97
US5245973ASep 21, 1993
Failure detection device for evaporative fuel purge system
TOYOTA MOTOR CO LTD54 citations96
US5158054AOct 27, 1992
Malfunction detection apparatus for detecting malfunction in evaporated fuel purge system
TOYOTA MOTOR CO LTD103 citations96
US5315980AMay 31, 1994
Malfunction detection apparatus for detecting malfunction in evaporative fuel purge system
TOYOTA MOTOR CO LTD34 citations93
US5811884ASep 22, 1998
Automotive onboard load control apparatus and method
TOYOTA MOTOR CO LTD22 citations92
US5675073AOct 7, 1997
Device for detecting leakage of fuel vapor
TOYOTA MOTOR CO LTD32 citations92
US5443051AAug 22, 1995
Apparatus for detecting a malfunction in an evaporated fuel purge system
TOYOTA MOTOR CO LTD32 citations92
US5333589AAug 2, 1994
Apparatus for detecting malfunction in evaporated fuel purge system
TOYOTA MOTOR CO LTD44 citations92
US5425344AJun 20, 1995
Diagnostic apparatus for evaporative fuel purge system
TOYOTA MOTOR CO LTD51 citations91
US5230319AJul 27, 1993
Apparatus for detecting malfunction in evaporated fuel purge system
TOYOTA MOTOR CO LTD30 citations90
US6615772B2Sep 9, 2003
Internal combustion engine with heat accumulating device and method of controlling same
TOYOTA MOTOR CO LTD14 citations84
US5203870AApr 20, 1993
Method and apparatus for detecting abnormal state of evaporative emission-control system
TOYOTA MOTOR CO LTD18 citations73
US5313925AMay 24, 1994
Apparatus for detecting malfunction in fuel evaporative prurge system
TOYOTA MOTOR CO LTD11 citations71
US5918583AJul 6, 1999
Air-fuel ratio control device for internal combustion engine
TOYOTA MOTOR CO LTD6 citations61
US7080609B2Jul 25, 2006
Engine system with a thermal storage device, and engine temperature raising method
TOYOTA MOTOR CO LTD1 citations52
US8364386B2Jan 29, 2013
Stop-start control apparatus and method for an internal combustion engine
TOYOTA MOTOR CO LTD0 citations42
US10125707B2Nov 13, 2018
Control apparatus for exhaust gas purification system
TOYOTA MOTOR CO LTD0 citations41
OTSUKA TAKAYUKI
4 patentsUS8682546B2Mar 25, 2014
Vehicular damping control system
OTSUKA TAKAYUKI11 citations83
US8478503B2Jul 2, 2013
Vehicle controlling apparatus
OTSUKA TAKAYUKI5 citations72
US8433499B2Apr 30, 2013
Apparatus for detecting imbalance abnormality in air-fuel ratio between cylinders
OTSUKA TAKAYUKI5 citations72
US8847371B2Sep 30, 2014
Electronic component module including a lead frame and an insulating resin having a thickness less than or equal to a thickness of the lead frame and method for producing same
OTSUKA TAKAYUKI2 citations54