Inventor
TOJI YUTAKA
JP11 patents
Patents
11 patentsUS6708490B2Mar 23, 2004
Hydraulic system for construction machine
KOBELCO CONSTR MACHINERY LTD48 citations92
US7155909B2Jan 2, 2007
Hydraulic controller for working machine
KOBELCO CONSTR MACHINERY LTD17 citations91
US7513109B2Apr 7, 2009
Hydraulic controller for working machine
KOBELCO CONSTR MACHINERY LTD17 citations84
US7594395B2Sep 29, 2009
Hydraulic control device for working machine
KOBELCO CONSTR MACHINERY LTD15 citations83
US7174711B2Feb 13, 2007
Hydraulic control system and construction machine
KOBELCO CONSTR MACHINERY LTD13 citations83
US7168246B2Jan 30, 2007
Hydraulic control device for working machine
KOBELCO CONSTR MACHINERY LTD10 citations83
US7634961B2Dec 22, 2009
Hydraulic circuit for construction machine
KOBELCO CONSTR MACHINERY LTD11 citations79
US7284371B2Oct 23, 2007
Hydraulic control system for working machine
KOBELCO CONSTR MACHINERY LTD6 citations62
US7131453B2Nov 7, 2006
Hydraulic valve device and method for assembling the same
KOBELCO CONSTR MACHINERY LTD2 citations62
US7818968B2Oct 26, 2010
Hydraulic control device of construction machine
KOBELCO CONSTR MACHINERY LTD4 citations61
US7594396B2Sep 29, 2009
Hydraulic controller for working machine
KOBELCO CONSTR MACHINERY LTD0 citations51