Inventor
AMANO HIROAKI
JP32 patents
⚠️ This page may combine multiple inventors who share the name “AMANO HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI CONSTRUCTION MACH CO
27 patentsUS11718977B2Aug 8, 2023
Work machine
HITACHI CONSTRUCTION MACH CO4 citations74
US10472804B2Nov 12, 2019
Hydraulic control system of construction machine
HITACHI CONSTRUCTION MACH CO5 citations73
US10364550B2Jul 30, 2019
Hydraulic drive system of work machine
HITACHI CONSTRUCTION MACH CO3 citations73
US9725878B2Aug 8, 2017
Hybrid-type construction machine
HITACHI CONSTRUCTION MACH CO6 citations73
US11739502B2Aug 29, 2023
Work machine
HITACHI CONSTRUCTION MACH CO2 citations72
US10968604B2Apr 6, 2021
Work machine
HITACHI CONSTRUCTION MACH CO5 citations72
US10668802B2Jun 2, 2020
Hybrid construction machine
HITACHI CONSTRUCTION MACH CO2 citations72
US10458097B2Oct 29, 2019
Hybrid work machine
HITACHI CONSTRUCTION MACH CO2 citations72
US10563378B2Feb 18, 2020
Hydraulic system for work machines
HITACHI CONSTRUCTION MACH CO1 citations62
US10316866B2Jun 11, 2019
Construction machine
HITACHI CONSTRUCTION MACH CO1 citations62
US9593464B2Mar 14, 2017
Construction machine
HITACHI CONSTRUCTION MACH CO0 citations52
US12584295B2Mar 24, 2026
Work machine
HITACHI CONSTRUCTION MACH CO0 citations51
US12460382B2Nov 4, 2025
Work machine
HITACHI CONSTRUCTION MACH CO0 citations51
US12371873B2Jul 29, 2025
Work machine
HITACHI CONSTRUCTION MACH CO0 citations51
US12000416B2Jun 4, 2024
Work machine
HITACHI CONSTRUCTION MACH CO0 citations51
US11965315B2Apr 23, 2024
Work machine
HITACHI CONSTRUCTION MACH CO0 citations51
US11781285B2Oct 10, 2023
Construction machine
HITACHI CONSTRUCTION MACH CO0 citations51
US10030363B2Jul 24, 2018
Hybrid work machine
HITACHI CONSTRUCTION MACH CO1 citations51
US12325978B2Jun 10, 2025
Work machine
HITACHI CONSTRUCTION MACH CO0 citations50
US12297624B2May 13, 2025
Work machine
HITACHI CONSTRUCTION MACH CO0 citations50
US10060095B2Aug 28, 2018
Hybrid work machine
HITACHI CONSTRUCTION MACH CO1 citations50
US12565760B2Mar 3, 2026
Work machine
HITACHI CONSTRUCTION MACH CO0 citations48
US12320097B2Jun 3, 2025
Work machine
HITACHI CONSTRUCTION MACH CO0 citations46
US10837159B2Nov 17, 2020
Construction machine
HITACHI CONSTRUCTION MACH CO0 citations42
US10450726B2Oct 22, 2019
Pump control system of work machine
HITACHI CONSTRUCTION MACH CO0 citations42
US10364549B2Jul 30, 2019
Hybrid construction machine
HITACHI CONSTRUCTION MACH CO0 citations41
US9777463B2Oct 3, 2017
Construction machine
HITACHI CONSTRUCTION MACH CO0 citations41