Inventor

EJIRI Kouichirou

JP4 patents

Patents

4 patents

US12444245B2Oct 14, 2025

Mine management system

HITACHI CONSTRUCTION MACH CO0 citations59

US12572872B2Mar 10, 2026

Mine management system

HITACHI CONSTRUCTION MACH CO0 citations47

US12530867B2Jan 20, 2026

Action recognition system

HITACHI CONSTRUCTION MACH CO0 citations46

US12384351B2Aug 12, 2025

Work machine parameter selection device and parameter recommendation system

HITACHI CONSTRUCTION MACH CO0 citations38