Inventor
SUGANO NAOKI
JP30 patents
⚠️ This page may combine multiple inventors who share the name “SUGANO NAOKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOBE STEEL LTD
18 patentsUS5941155AAug 24, 1999
Hydraulic motor control system
KOBE STEEL LTD25 citations91
US10400802B2Sep 3, 2019
Hydraulic drive device
KOBE STEEL LTD14 citations86
US7421890B2Sep 9, 2008
Tire HIL simulator
KOBE STEEL LTD9 citations82
US10392780B2Aug 27, 2019
Work machine hydraulic drive device
KOBE STEEL LTD5 citations72
US10808686B2Oct 20, 2020
Hydraulic rotary machine
KOBE STEEL LTD2 citations71
US9790659B2Oct 17, 2017
Hydraulic shovel
KOBE STEEL LTD4 citations71
US9650232B2May 16, 2017
Hydraulic drive apparatus for work machine
KOBE STEEL LTD5 citations71
US10794512B2Oct 6, 2020
Electrically-driven flow rate control valve
KOBE STEEL LTD2 citations70
US10767787B2Sep 8, 2020
Electrically-driven flow rate control valve
KOBE STEEL LTD2 citations70
US9777750B2Oct 3, 2017
Hydraulic driving apparatus for working machine
KOBE STEEL LTD4 citations69
US10704229B2Jul 7, 2020
Hydraulic driving apparatus of work machine
KOBE STEEL LTD7 citations68
US9528531B2Dec 27, 2016
Hydraulic drive apparatus for work machine
KOBE STEEL LTD2 citations61
US11008733B2May 18, 2021
Energy regeneration device and work machine provided with energy regeneration device
KOBE STEEL LTD0 citations52
US10895063B2Jan 19, 2021
Energy regeneration device and work machine provided with energy regeneration device
KOBE STEEL LTD0 citations52
US10920757B2Feb 16, 2021
Liquid pressure rotary machine
KOBE STEEL LTD0 citations50
US12595160B2Apr 7, 2026
Crane slewing control device and crane equipped with same
KOBE STEEL LTD0 citations49
US10801181B2Oct 13, 2020
Energy regeneration device and work machine provided with energy regeneration device
KOBE STEEL LTD0 citations42
US10738798B2Aug 11, 2020
Energy recovery device and energy recovery method
KOBE STEEL LTD0 citations36
KOBELCO CONSTR MACHINERY LTD
7 patentsUS7392653B2Jul 1, 2008
Hydraulic control system for working machine
KOBELCO CONSTR MACHINERY LTD39 citations92
US6981371B2Jan 3, 2006
Control device for working machine
KOBELCO CONSTR MACHINERY LTD35 citations91
US7067999B2Jun 27, 2006
Rotation control device of working machine
KOBELCO CONSTR MACHINERY LTD34 citations90
US7659677B2Feb 9, 2010
Rotation brake method and device for working machine
KOBELCO CONSTR MACHINERY LTD13 citations84
US7174711B2Feb 13, 2007
Hydraulic control system and construction machine
KOBELCO CONSTR MACHINERY LTD13 citations83
US6837140B2Jan 4, 2005
Control system and method for hydraulic working machine
KOBELCO CONSTR MACHINERY LTD15 citations83
US7610755B2Nov 3, 2009
Hydraulic control apparatus of working machine
KOBELCO CONSTR MACHINERY LTD1 citations51