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Katsuhiko Shiraishi
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for controlling power switching apparatus
Patent number
9,959,999
Issue date
May 1, 2018
Hitachi, Ltd.
Koichiro Adachi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit breaker and circuit breaker operating method
Patent number
9,899,172
Issue date
Feb 20, 2018
Hitachi, Ltd.
Hajime Urai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gas circuit breaker
Patent number
9,754,742
Issue date
Sep 5, 2017
Hitachi, Ltd.
Masanao Terada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gas circuit breaker
Patent number
9,620,315
Issue date
Apr 11, 2017
Hitachi, Ltd.
Masanao Terada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gas circuit breaker
Patent number
5,850,065
Issue date
Dec 15, 1998
Hitachi, Ltd.
Noriyuki Yaginuma
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Transformer station and breaker apparatus
Patent number
5,777,842
Issue date
Jul 7, 1998
Hitachi, Ltd.
Masanori Tsukushi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
Gas Circuit Breaker
Publication number
20170062157
Publication date
Mar 2, 2017
Hitachi, Ltd
Masanao TERADA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method for Controlling Power Switching Apparatus
Publication number
20160365206
Publication date
Dec 15, 2016
Hitachi, Ltd
Koichiro ADACHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Gas Circuit Breaker
Publication number
20160203927
Publication date
Jul 14, 2016
Hitachi, Ltd
Masanao TERADA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Gas Circuit Breaker
Publication number
20150091677
Publication date
Apr 2, 2015
Hitachi, Ltd
Hajime Urai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Circuit Breaker and Circuit Breaker Operating Method
Publication number
20150043121
Publication date
Feb 12, 2015
Hitachi, Ltd
Hajime Urai
H01 - BASIC ELECTRIC ELEMENTS