Inventor
TAMURA SEIJI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “TAMURA SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI CONSTRUCTION MACHINERY
10 patentsUS5307631AMay 3, 1994
Hydraulic control apparatus for hydraulic construction machine
HITACHI CONSTRUCTION MACHINERY57 citations95
US5638677AJun 17, 1997
Control device for hydraulically propelled work vehicle
HITACHI CONSTRUCTION MACHINERY75 citations94
US5277269AJan 11, 1994
Engine revolution speed control device for a hydraulically driven vehicle
HITACHI CONSTRUCTION MACHINERY28 citations92
US5513875AMay 7, 1996
Lockable suspension system for a work vehicle having a stabilizing link
HITACHI CONSTRUCTION MACHINERY89 citations91
US4726186AFeb 23, 1988
Control system of hydraulic construction machinery
HITACHI CONSTRUCTION MACHINERY39 citations91
US6105707AAug 22, 2000
Tired Roller
HITACHI CONSTRUCTION MACHINERY17 citations83
US6523905B2Feb 25, 2003
Crawler carrier having an engine, a hydraulic pump and a heat exchanger positioned in a lateral direction
HITACHI CONSTRUCTION MACHINERY15 citations80
US6361246B1Mar 26, 2002
Tired roller
HITACHI CONSTRUCTION MACHINERY8 citations72
US5477679ADec 26, 1995
Apparatus for controlling revolution speed of prime mover for hydraulically propelled work vehicle
HITACHI CONSTRUCTION MACHINERY18 citations71
US4614475ASep 30, 1986
Hydraulic circuit system for civil engineering and architectural machinery
HITACHI CONSTRUCTION MACHINERY6 citations62