Inventor
KUMAGAI KENTO
JP18 patents
Patents
18 patentsUS11718977B2Aug 8, 2023
Work machine
HITACHI CONSTRUCTION MACH CO4 citations74
US11891775B2Feb 6, 2024
Work machinery
HITACHI CONSTRUCTION MACH CO4 citations73
US11454004B2Sep 27, 2022
Work machine
HITACHI CONSTRUCTION MACH CO2 citations73
US11149410B2Oct 19, 2021
Work machine with automatic and manual operating control
HITACHI CONSTRUCTION MACH CO2 citations73
US11739502B2Aug 29, 2023
Work machine
HITACHI CONSTRUCTION MACH CO2 citations72
US12276087B2Apr 15, 2025
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
US12371873B2Jul 29, 2025
Work machine
HITACHI CONSTRUCTION MACH CO0 citations51
US12221769B2Feb 11, 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
US12325978B2Jun 10, 2025
Work machine
HITACHI CONSTRUCTION MACH CO0 citations50
US12297624B2May 13, 2025
Work machine
HITACHI CONSTRUCTION MACH CO0 citations50
US12037772B2Jul 16, 2024
Remote control system for work machine
HITACHI CONSTRUCTION MACH CO0 citations50
US12565760B2Mar 3, 2026
Work machine
HITACHI CONSTRUCTION MACH CO0 citations48
US12320097B2Jun 3, 2025
Work machine
HITACHI CONSTRUCTION MACH CO0 citations46