Inventor
YOKOTA TADAHARU
JP22 patents
⚠️ This page may combine multiple inventors who share the name “YOKOTA TADAHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
10 patentsUS7596441B2Sep 29, 2009
Power steering device
HITACHI LTD22 citations92
US6880668B2Apr 19, 2005
Power steering device
HITACHI LTD20 citations92
US7213676B2May 8, 2007
Power steering system
HITACHI LTD13 citations83
US7155906B2Jan 2, 2007
Power steering system
HITACHI LTD13 citations83
US6886657B2May 3, 2005
Power steering system
HITACHI LTD13 citations83
US7086494B2Aug 8, 2006
Power steering system
HITACHI LTD7 citations73
US6953102B2Oct 11, 2005
Power steering system
HITACHI LTD8 citations73
US7387186B2Jun 17, 2008
Power steering apparatus
HITACHI LTD7 citations72
US7325645B2Feb 5, 2008
Power steering device
HITACHI LTD5 citations62
US7155905B2Jan 2, 2007
Power steering apparatus
HITACHI LTD2 citations62
UNISIA JECS CORP
6 patentsUS6568499B2May 27, 2003
Power steering system for vehicles
UNISIA JECS CORP37 citations92
US6041883AMar 28, 2000
Flow controlling apparatus for power steering systems
UNISIA JECS CORP30 citations92
US5950757ASep 14, 1999
Power steering devices
UNISIA JECS CORP21 citations92
US5921342AJul 13, 1999
Power assisted steering apparatus for automotive vehicle
UNISIA JECS CORP19 citations92
US6035958AMar 14, 2000
Power assist apparatus for steering system
UNISIA JECS CORP8 citations73
US5975232ANov 2, 1999
Power assisted steering apparatus for automotive vehicle
UNISIA JECS CORP11 citations73