Inventor
KATSUTA KEIICHI
JP8 patents
⚠️ This page may combine multiple inventors who share the name “KATSUTA KEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
6 patentsUS7756613B2Jul 13, 2010
Signaling system
HITACHI LTD14 citations83
US11938983B2Mar 26, 2024
Train position estimation device
HITACHI LTD2 citations67
US12541205B2Feb 3, 2026
Movement control support device and method
HITACHI LTD0 citations50
US12384434B2Aug 12, 2025
Sensor performance evaluation system and method, and automatic driving system
HITACHI LTD0 citations50
US12145642B2Nov 19, 2024
Running pattern creation device and driving control method that uses running pattern creation device
HITACHI LTD0 citations49
US11798410B2Oct 24, 2023
Traffic flow control system, traffic flow control program, traffic flow control method, and traveling controller
HITACHI LTD0 citations49