Inventor
HASEGAWA KEIGO
JP24 patents
⚠️ This page may combine multiple inventors who share the name “HASEGAWA KEIGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI INT ELECTRIC INC
18 patentsUS9467867B1Oct 11, 2016
Wireless communication system
HITACHI INT ELECTRIC INC7 citations82
US11544352B2Jan 3, 2023
Machine-learning model fraud detection system and fraud detection method
HITACHI INT ELECTRIC INC3 citations72
US10164702B2Dec 25, 2018
Wireless communication system, mobile communication apparatus, and terminal device
HITACHI INT ELECTRIC INC3 citations72
US9743412B2Aug 22, 2017
Wireless communication system
HITACHI INT ELECTRIC INC5 citations71
US9609523B2Mar 28, 2017
Relaying operation between base stations using white spaces in wireless access system
HITACHI INT ELECTRIC INC2 citations71
US9781719B2Oct 3, 2017
Multichannel wireless communication system, base station, and method for using channel
HITACHI INT ELECTRIC INC7 citations69
US11967174B2Apr 23, 2024
Verification system and verification server
HITACHI INT ELECTRIC INC2 citations68
US10939253B2Mar 2, 2021
Radio communication sytem and access control method
HITACHI INT ELECTRIC INC0 citations62
US12499668B2Dec 16, 2025
Image analysis system an update method for machine learning model
HITACHI INT ELECTRIC INC0 citations51
US12175760B2Dec 24, 2024
Image analysis system, image analysis method, and image analysis program
HITACHI INT ELECTRIC INC0 citations51
US12042254B2Jul 23, 2024
Pulse rate estimation method, device, and system
HITACHI INT ELECTRIC INC0 citations51
US9713171B2Jul 18, 2017
Selecting white space frequency based on preamble cycle length
HITACHI INT ELECTRIC INC0 citations51
US9438329B2Sep 6, 2016
Wireless communication system
HITACHI INT ELECTRIC INC0 citations49
US9185686B2Nov 10, 2015
Multichannel wireless communication system, base station, and channel using method
HITACHI INT ELECTRIC INC1 citations49
US9572076B2Feb 14, 2017
Wireless communication terminal
HITACHI INT ELECTRIC INC0 citations41
US9661644B2May 23, 2017
Wireless communication system
HITACHI INT ELECTRIC INC0 citations40
US8971277B2Mar 3, 2015
Wireless communication system and receiving device
HITACHI INT ELECTRIC INC0 citations40
US9049726B2Jun 2, 2015
Heterogeneous-systems coexistence method and wireless gateway apparatus
HITACHI INT ELECTRIC INC0 citations39