Inventor
OGATA YUJI
JP30 patents
⚠️ This page may combine multiple inventors who share the name “OGATA YUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
16 patentsUS7593752B2Sep 22, 2009
Sensor node, base station, and sensor network system
HITACHI LTD12 citations84
US7512418B2Mar 31, 2009
Sensor node, base station, and sensor network system
HITACHI LTD11 citations84
US10452666B2Oct 22, 2019
Sensor data search system, sensor data search method and management computer
HITACHI LTD2 citations73
US9225650B2Dec 29, 2015
Network system, gateway, and packet delivery method
HITACHI LTD4 citations73
US11212231B2Dec 28, 2021
Data processing system and method of controlling the same
HITACHI LTD1 citations62
US11067973B2Jul 20, 2021
Data collection system, abnormality detection method, and gateway device
HITACHI LTD1 citations62
US11553040B2Jan 10, 2023
Relay apparatus and relay method
HITACHI LTD0 citations52
US11415958B2Aug 16, 2022
Data extracting apparatus, data extracting method, and recording medium
HITACHI LTD0 citations52
US10904324B2Jan 26, 2021
Computer system and method of controlling data processing
HITACHI LTD0 citations52
US9253112B2Feb 2, 2016
Network node and packet control method
HITACHI LTD1 citations52
US11388223B2Jul 12, 2022
Management device, management method, and management program
HITACHI LTD0 citations50
US11204782B2Dec 21, 2021
Computer system and method for controlling arrangement of application data
HITACHI LTD0 citations50
US11196823B2Dec 7, 2021
Service deployment control system, service deployment control method, and storage medium
HITACHI LTD0 citations50
US9608753B2Mar 28, 2017
Time synchronization system, management node, and time synchronization method
HITACHI LTD0 citations42
US10749931B2Aug 18, 2020
Data collection system
HITACHI LTD0 citations41
US9571470B2Feb 14, 2017
Communication system, management server, server, concentrator, and encryption setting method
HITACHI LTD0 citations40
ADVANTEST CORP
5 patentsUS10575738B2Mar 3, 2020
Magnetic field measurement apparatus and method for noise environment
ADVANTEST CORP3 citations72
US12329545B2Jun 17, 2025
Filtering apparatus, method, program, and recording medium
ADVANTEST CORP0 citations58
US12411164B2Sep 9, 2025
Signal/noise determination apparatus, method, and recording medium
ADVANTEST CORP0 citations45
US12253578B2Mar 18, 2025
Signal vector derivation apparatus, method, program, and recording medium
ADVANTEST CORP0 citations45
US10444298B2Oct 15, 2019
Magnetic noise rejection apparatus and magnetic field measurement apparatus
ADVANTEST CORP0 citations41
YAMADA MASAKI
2 patentsHITACHI SYSTEMS LTD
2 patentsUS10310466B2Jun 4, 2019
Managing energy consumption of a building in an interconnected wide area management system
HITACHI SYSTEMS LTD0 citations40
US10073425B2Sep 11, 2018
Broad area management system, broad area management apparatus, building management apparatus, and broad area management method
HITACHI SYSTEMS LTD0 citations40