Inventor
NARAZAKI AKIHIRO
JP34 patents
⚠️ This page may combine multiple inventors who share the name “NARAZAKI AKIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI CONSTRUCTION MACH CO
29 patentsUS11718977B2Aug 8, 2023
Work machine
HITACHI CONSTRUCTION MACH CO4 citations74
US11739502B2Aug 29, 2023
Work machine
HITACHI CONSTRUCTION MACH CO2 citations72
US11001985B2May 11, 2021
Work machine
HITACHI CONSTRUCTION MACH CO6 citations72
US12104360B2Oct 1, 2024
Construction machine
HITACHI CONSTRUCTION MACH CO0 citations59
US10677268B2Jun 9, 2020
Construction machine
HITACHI CONSTRUCTION MACH CO1 citations59
US12428812B2Sep 30, 2025
Work machine
HITACHI CONSTRUCTION MACH CO0 citations52
US12286768B2Apr 29, 2025
Work machine
HITACHI CONSTRUCTION MACH CO0 citations52
US12123438B2Oct 22, 2024
Work machine
HITACHI CONSTRUCTION MACH CO0 citations52
US12012716B2Jun 18, 2024
Work 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
US12416131B2Sep 16, 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
US12454806B2Oct 28, 2025
Work machine
HITACHI CONSTRUCTION MACH CO0 citations50
US12442161B2Oct 14, 2025
Work machine
HITACHI CONSTRUCTION MACH CO0 citations50
US12325978B2Jun 10, 2025
Work machine
HITACHI CONSTRUCTION MACH CO0 citations50
US12297624B2May 13, 2025
Work machine
HITACHI CONSTRUCTION MACH CO0 citations50
US12221763B2Feb 11, 2025
Hydraulic excavator
HITACHI CONSTRUCTION MACH CO0 citations50
US12134875B2Nov 5, 2024
Work machine
HITACHI CONSTRUCTION MACH CO0 citations50
US12037772B2Jul 16, 2024
Remote control system for work machine
HITACHI CONSTRUCTION MACH CO0 citations50
US11885108B2Jan 30, 2024
Work machine and periphery monitoring system
HITACHI CONSTRUCTION MACH CO0 citations50
US12565760B2Mar 3, 2026
Work machine
HITACHI CONSTRUCTION MACH CO0 citations48
US12227920B2Feb 18, 2025
Construction machine
HITACHI CONSTRUCTION MACH CO0 citations48
US11274419B2Mar 15, 2022
Working machine
HITACHI CONSTRUCTION MACH CO0 citations45
US12467225B2Nov 11, 2025
Work machine assisting operation of operator by performing semi-automatic control
HITACHI CONSTRUCTION MACH CO0 citations44
US10662618B2May 26, 2020
Construction machine
HITACHI CONSTRUCTION MACH CO0 citations40