Katsuhiko Shiraishi

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Tokyo, JP

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Patents Grantslast 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 Applicationslast 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