Inventor
YOEDA KEIJI
JP29 patents
⚠️ This page may combine multiple inventors who share the name “YOEDA KEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
24 patentsUS6546910B2Apr 15, 2003
Method and apparatus for controlling the cylinder torque of a combustion engine having electromagnetically driven valves
TOYOTA MOTOR CO LTD105 citations98
US6519933B2Feb 18, 2003
Internal combustion engine having variable valve control system and NOx catalyst
TOYOTA MOTOR CO LTD84 citations97
US7048671B2May 23, 2006
Control device and method for engine and transmission
TOYOTA MOTOR CO LTD29 citations92
US6729126B2May 4, 2004
Internal combustion engine having variable valve control system and NOx catalyst
TOYOTA MOTOR CO LTD26 citations92
US6477993B1Nov 12, 2002
Control device for solenoid driving valve
TOYOTA MOTOR CO LTD27 citations92
US6446588B2Sep 10, 2002
Internal combustion engine having electromagnetic valve driving mechanism and method of controlling electromagnetic valve driving mechanism
TOYOTA MOTOR CO LTD33 citations92
US6405693B2Jun 18, 2002
Internal combustion engine and method for controlling valve of internal combustion engine
TOYOTA MOTOR CO LTD23 citations92
US6354253B1Mar 12, 2002
Solenoid valve device
TOYOTA MOTOR CO LTD37 citations92
US6354563B1Mar 12, 2002
Electromagnetic drive valve and method for controlling same
TOYOTA MOTOR CO LTD21 citations92
US6276317B1Aug 21, 2001
Control apparatus and method for electromagnetically driven valves
TOYOTA MOTOR CO LTD21 citations92
US6994060B2Feb 7, 2006
Control apparatus and method for variable valve
TOYOTA MOTOR CO LTD9 citations74
US6830536B2Dec 14, 2004
Method and apparatus for controlling the cylinder torque of a combustion engine
TOYOTA MOTOR CO LTD12 citations74
US10280853B2May 7, 2019
Supercharged internal combustion engine
TOYOTA MOTOR CO LTD2 citations73
US7028652B2Apr 18, 2006
Device for controlling an internal combustion engine with a variable valve timing system
TOYOTA MOTOR CO LTD8 citations73
US7007920B2Mar 7, 2006
Method of controlling energization of electro-magnetically driven valve with variable feedback gain
TOYOTA MOTOR CO LTD7 citations73
US6830233B2Dec 14, 2004
Control apparatus of electromagnetic drive valve and control method of the same
TOYOTA MOTOR CO LTD8 citations73
US6759640B2Jul 6, 2004
Method of controlling current applied to electromagnetically driven valve and control system
TOYOTA MOTOR CO LTD7 citations73
US7111594B2Sep 26, 2006
Method of operating internal combustion engine including electromagnetically driven intake valves
TOYOTA MOTOR CO LTD2 citations62
US6997146B2Feb 14, 2006
Start control method and apparatus for solenoid-operated valves of internal combustion engine
TOYOTA MOTOR CO LTD4 citations59
US12535122B2Jan 27, 2026
Vibration damper
TOYOTA MOTOR CO LTD0 citations46
US11913517B2Feb 27, 2024
Vibration damper
TOYOTA MOTOR CO LTD0 citations46
US11008919B2May 18, 2021
Internal combustion engine with turbocharger
TOYOTA MOTOR CO LTD0 citations43
US10731548B2Aug 4, 2020
Mechanical supercharging system
TOYOTA MOTOR CO LTD0 citations42
US6973900B2Dec 13, 2005
Valve drive system and method
TOYOTA MOTOR CO LTD0 citations41