Inventor
OYA TOSHIAKI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “OYA TOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JTEKT CORP
17 patentsUS7604088B2Oct 20, 2009
Electric power steering system
JTEKT CORP53 citations96
US7791293B2Sep 7, 2010
Motor controller and electric power steering system
JTEKT CORP32 citations92
US10556621B2Feb 11, 2020
Steering assist apparatus
JTEKT CORP4 citations72
US10293856B2May 21, 2019
Vehicular steering system
JTEKT CORP2 citations72
US10011297B2Jul 3, 2018
Vehicle steering device
JTEKT CORP6 citations72
US9914476B2Mar 13, 2018
Vehicle steering system
JTEKT CORP2 citations72
US9896128B2Feb 20, 2018
Steering assist device
JTEKT CORP2 citations72
US7711463B2May 4, 2010
Electric power steering system
JTEKT CORP6 citations62
US12409880B2Sep 9, 2025
Steering system
JTEKT CORP0 citations52
US12503153B2Dec 23, 2025
Steering control device and steering control method
JTEKT CORP0 citations51
US12497092B2Dec 16, 2025
Steering control device and steering control method
JTEKT CORP0 citations51
US12434768B2Oct 7, 2025
Steering control device and steering control method
JTEKT CORP0 citations51
US10137928B2Nov 27, 2018
Steering assist device
JTEKT CORP1 citations51
US10315688B2Jun 11, 2019
Vehicle steering device
JTEKT CORP0 citations41
US10000232B2Jun 19, 2018
Steering assist device
JTEKT CORP0 citations41
US9150249B2Oct 6, 2015
Steering assist device
JTEKT CORP0 citations41
US7567055B2Jul 28, 2009
Controller for brushless motor
JTEKT CORP0 citations41
KOYO SEIKO CO
3 patentsUS7240761B2Jul 10, 2007
Electric power steering apparatus
KOYO SEIKO CO32 citations92
US6883637B2Apr 26, 2005
Electric power steering device and control method utilized for controlling said electric power steering device
KOYO SEIKO CO33 citations92
US7174825B2Feb 13, 2007
Hydraulic power steering apparatus
KOYO SEIKO CO1 citations45