Inventor

IMAMOTO KENJI

JP5 patents

⚠️ This page may combine multiple inventors who share the name “IMAMOTO KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

2 patents

US12576895B2Mar 17, 2026

Obstacle detection system, obstacle detection method, and self-location estimation system

HITACHI LTD0 citations60

US12522266B2Jan 13, 2026

Train control system

HITACHI LTD0 citations49

SATO YOSHIHITO

1 patent

US8285219B2Oct 9, 2012

Apparatus and method for searching for wireless station locations

SATO YOSHIHITO2 citations57

HITACHI HIGH TECH CORP

1 patent

US7989330B2Aug 2, 2011

Dry etching method

HITACHI HIGH TECH CORP1 citations48

KATSUTA KEIICHI

1 patent

US8924050B2Dec 30, 2014

Railway signalling system and on-board signalling system

KATSUTA KEIICHI1 citations44