Inventor

KANEZAWA Hiroshi

JP4 patents

Patents

4 patents

US11814818B2Nov 14, 2023

Fatigue management system

HITACHI CONSTRUCTION MACH CO2 citations65

US12291852B2May 6, 2025

Movement identification device

HITACHI CONSTRUCTION MACH CO0 citations44

US11060264B2Jul 13, 2021

Operation guide device

HITACHI CONSTRUCTION MACH CO0 citations44

US11015321B2May 25, 2021

Operational data storage device

HITACHI CONSTRUCTION MACH CO0 citations38