Inventor
CHIBA TAKAAKI
JP25 patents
Patents
25 patentsUS11718977B2Aug 8, 2023
Work machine
HITACHI CONSTRUCTION MACH CO4 citations74
US11891775B2Feb 6, 2024
Work machinery
HITACHI CONSTRUCTION MACH CO4 citations73
US11230821B2Jan 25, 2022
Construction machine
HITACHI CONSTRUCTION MACH CO3 citations73
US11193254B2Dec 7, 2021
Construction machine
HITACHI CONSTRUCTION MACH CO3 citations73
US11149410B2Oct 19, 2021
Work machine with automatic and manual operating control
HITACHI CONSTRUCTION MACH CO2 citations73
US11105066B2Aug 31, 2021
Work machine
HITACHI CONSTRUCTION MACH CO2 citations73
US10961690B2Mar 30, 2021
Work machine
HITACHI CONSTRUCTION MACH CO2 citations73
US12227922B2Feb 18, 2025
Work machine
HITACHI CONSTRUCTION MACH CO2 citations72
US11739502B2Aug 29, 2023
Work machine
HITACHI CONSTRUCTION MACH CO2 citations72
US12276087B2Apr 15, 2025
Work machine
HITACHI CONSTRUCTION MACH CO0 citations52
US12252869B2Mar 18, 2025
Work machine
HITACHI CONSTRUCTION MACH CO0 citations52
US11851854B2Dec 26, 2023
Work machine
HITACHI CONSTRUCTION MACH CO0 citations52
US11199205B2Dec 14, 2021
Construction machine
HITACHI CONSTRUCTION MACH CO0 citations52
US12371873B2Jul 29, 2025
Work machine
HITACHI CONSTRUCTION MACH CO0 citations51
US12221769B2Feb 11, 2025
Work machine
HITACHI CONSTRUCTION MACH CO0 citations51
US12065803B2Aug 20, 2024
Compaction control of 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
US11920325B2Mar 5, 2024
Construction machine
HITACHI CONSTRUCTION MACH CO0 citations51
US11591769B2Feb 28, 2023
Work machine
HITACHI CONSTRUCTION MACH CO0 citations51
US11280058B2Mar 22, 2022
Work 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
US12366055B2Jul 22, 2025
Information presentation device
HITACHI CONSTRUCTION MACH CO0 citations49
US12077945B2Sep 3, 2024
Operation assistance system for work machine having an extendable work area
HITACHI CONSTRUCTION MACH CO0 citations49