Inventor
UMEZU YOSHIYASU
JP8 patents
⚠️ This page may combine multiple inventors who share the name “UMEZU YOSHIYASU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOBELCO CONSTR MACHINERY LTD
7 patentsUS7523804B2Apr 28, 2009
Small swing type shovel
KOBELCO CONSTR MACHINERY LTD19 citations91
US7500535B2Mar 10, 2009
Control device for construction machine
KOBELCO CONSTR MACHINERY LTD9 citations81
US7497195B2Mar 3, 2009
Engine control device of construction machinery
KOBELCO CONSTR MACHINERY LTD16 citations81
US7001135B2Feb 21, 2006
Construction machine
KOBELCO CONSTR MACHINERY LTD9 citations72
US7818968B2Oct 26, 2010
Hydraulic control device of construction machine
KOBELCO CONSTR MACHINERY LTD4 citations61
US7174968B2Feb 13, 2007
Hydraulic excavator
KOBELCO CONSTR MACHINERY LTD5 citations61
US7191758B2Mar 20, 2007
Engine control device of construction machinery
KOBELCO CONSTR MACHINERY LTD2 citations60