Inventor
OOKI TAKATOSHI
JP34 patents
⚠️ This page may combine multiple inventors who share the name “OOKI TAKATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI CONSTRUCTION MACH CO
12 patentsUS10184228B2Jan 22, 2019
Hydraulic driving device of work machine
HITACHI CONSTRUCTION MACH CO8 citations84
US10161108B2Dec 25, 2018
Hydraulic fluid energy recovery system for work
HITACHI CONSTRUCTION MACH CO7 citations84
US9926950B2Mar 27, 2018
Hydraulic system for construction machinery
HITACHI CONSTRUCTION MACH CO10 citations84
US10669695B2Jun 2, 2020
Hydraulic driving device for working machine
HITACHI CONSTRUCTION MACH CO3 citations73
US10584722B2Mar 10, 2020
Hydraulic fluid energy regeneration apparatus of work machine
HITACHI CONSTRUCTION MACH CO3 citations73
US10301793B2May 28, 2019
Hydraulic drive system for work machine
HITACHI CONSTRUCTION MACH CO3 citations73
US10280593B2May 7, 2019
Hydraulic fluid energy regeneration device for work machine
HITACHI CONSTRUCTION MACH CO3 citations73
US10221871B2Mar 5, 2019
Construction machinery
HITACHI CONSTRUCTION MACH CO3 citations73
US10030361B2Jul 24, 2018
Construction machine
HITACHI CONSTRUCTION MACH CO2 citations73
US9926951B2Mar 27, 2018
Energy regeneration system for construction machine
HITACHI CONSTRUCTION MACH CO5 citations73
US12031298B2Jul 9, 2024
Work machine
HITACHI CONSTRUCTION MACH CO0 citations52
US11466432B2Oct 11, 2022
Work vehicle
HITACHI CONSTRUCTION MACH CO0 citations48
HITACHI CONSTRUCTION MACHINERY
4 patentsUS7272928B2Sep 25, 2007
Hydraulic circuit of construction machinery
HITACHI CONSTRUCTION MACHINERY24 citations92
US7076947B2Jul 18, 2006
Hydraulic circuit of construction machinery
HITACHI CONSTRUCTION MACHINERY28 citations92
US7979182B2Jul 12, 2011
Swing drive system for construction machine
HITACHI CONSTRUCTION MACHINERY18 citations84
US9394670B2Jul 19, 2016
Construction machine
HITACHI CONSTRUCTION MACHINERY6 citations73