Inventor

NOBEZAWA Hiroyuki

JP2 patents

Patents

2 patents

US10215198B2Feb 26, 2019

Hydraulic drive system for construction machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD4 citations71

US9976283B2May 22, 2018

Hydraulic drive system for construction machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD6 citations71