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Patents Grants
last 30 patents
Information
Patent Grant
Power system operation assisting device and method, and oscillation...
Patent number
11,404,873
Issue date
Aug 2, 2022
Hitachi, Ltd.
Kenta Kirihara
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Hybrid spatial-temporal event probability prediction method
Patent number
11,379,274
Issue date
Jul 5, 2022
Hitachi, Ltd.
Panitarn Chongfuangprinya
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System operation support device and method in power system, and wid...
Patent number
11,133,674
Issue date
Sep 28, 2021
Hitachi, Ltd.
Kenta Kirihara
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
System stability monitoring device and system stability monitoring...
Patent number
10,628,896
Issue date
Apr 21, 2020
Hitachi Ltd.
Jun Yamazaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System stabilization control device and power system control system
Patent number
10,461,538
Issue date
Oct 29, 2019
Hitachi, Ltd.
Jun Yamazaki
G05 - CONTROLLING REGULATING
Information
Patent Grant
System stability monitoring apparatus and method
Patent number
10,371,592
Issue date
Aug 6, 2019
Hitachi, Ltd.
Jun Yamazaki
G01 - MEASURING TESTING
Information
Patent Grant
Electric power system monitoring device and electric power system m...
Patent number
10,222,196
Issue date
Mar 5, 2019
Hitachi, Ltd.
Jun Yamazaki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Conversion method, program and system of power system data models
Patent number
9,600,610
Issue date
Mar 21, 2017
Hitachi, Ltd.
Sumito Tobe
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
POWER SYSTEM OPERATION ASSISTING DEVICE AND METHOD, AND OSCILLATION...
Publication number
20210126453
Publication date
Apr 29, 2021
Hitachi, Ltd
Kenta KIRIHARA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SYSTEM OPERATION SUPPORT DEVICE AND METHOD IN POWER SYSTEM, AND WID...
Publication number
20210083475
Publication date
Mar 18, 2021
Hitachi, Ltd
Kenta KIRIHARA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DATA ANALYSIS DEVICE, POWER FLOW ANALYSIS DEVICE, AND DATA ANALYSIS...
Publication number
20210004430
Publication date
Jan 7, 2021
Hitachi, Ltd
Sumito TOBE
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
HYBRID SPATIAL-TEMPORAL EVENT PROBABILITY PREDICTION METHOD
Publication number
20200379824
Publication date
Dec 3, 2020
Hitachi, Ltd.
Panitarn CHONGFUANGPRINYA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
POWER SYSTEM AGGREGATION DEVICE AND METHOD, AND POWER SYSTEM STABIL...
Publication number
20190288551
Publication date
Sep 19, 2019
Hitachi, Ltd
Akira TSUBOTA
G05 - CONTROLLING REGULATING
Information
Patent Application
SYSTEM STABILIZATION CONTROL DEVICE AND POWER SYSTEM CONTROL SYSTEM
Publication number
20180054059
Publication date
Feb 22, 2018
Hitachi, Ltd
Jun YAMAZAKI
G01 - MEASURING TESTING
Information
Patent Application
Electric Power System Monitoring Device and Electric Power System M...
Publication number
20170292824
Publication date
Oct 12, 2017
Hitachi, Ltd
Jun YAMAZAKI
G01 - MEASURING TESTING
Information
Patent Application
SYSTEM STABILITY MONITORING DEVICE AND SYSTEM STABILITY MONITORING...
Publication number
20170278200
Publication date
Sep 28, 2017
Hitachi, Ltd
Jun YAMAZAKI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SYSTEM STABILITY MONITORING APPARATUS AND METHOD
Publication number
20170097271
Publication date
Apr 6, 2017
Hitachi, Ltd
Jun YAMAZAKI
G01 - MEASURING TESTING
Information
Patent Application
CONVERSION METHOD, PROGRAM AND SYSTEM OF POWER SYSTEM DATA MODELS
Publication number
20140122051
Publication date
May 1, 2014
Hitachi, Ltd
Sumito TOBE
G06 - COMPUTING CALCULATING COUNTING