Inventor
YOSHIZAWA HIDEKAZU
JP17 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIZAWA HIDEKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNISIA JECS CORP
5 patentsUS6453229B1Sep 17, 2002
Air-fuel ratio control device for internal combustion engine and method thereof
UNISIA JECS CORP32 citations92
US6708681B2Mar 23, 2004
Method and device for feedback controlling air-fuel ratio of internal combustion engine
UNISIA JECS CORP17 citations84
US6574544B1Jun 3, 2003
Apparatus and method of valve timing control for internal combustion engine
UNISIA JECS CORP13 citations84
US6390044B2May 21, 2002
Apparatus and method for fail-safe control of sliding mode control system
UNISIA JECS CORP15 citations82
US6450158B2Sep 17, 2002
Air-fuel ratio feedback control apparatus of internal combustion engine and method thereof
UNISIA JECS CORP12 citations74
HITACHI LTD
4 patentsUS6945224B2Sep 20, 2005
Intake air amount control apparatus for vehicle engine and method thereof
HITACHI LTD10 citations74
US7623328B2Nov 24, 2009
Driving control apparatus for motion mechanism and control method of driving control apparatus
HITACHI LTD2 citations63
US7458348B2Dec 2, 2008
Method and apparatus for controlling variable valve actuation device in internal combustion engine
HITACHI LTD4 citations63
US7188594B2Mar 13, 2007
Apparatus and method for controlling variable valve actuation mechanism
HITACHI LTD2 citations62