Inventor
SHIINA TAKESHI
JP5 patents
Patents
5 patentsUS11814818B2Nov 14, 2023
Fatigue management system
HITACHI CONSTRUCTION MACH CO2 citations65
US12291852B2May 6, 2025
Movement identification device
HITACHI CONSTRUCTION MACH CO0 citations44
US11767657B2Sep 26, 2023
Construction machine
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