Keiichi TAKAHASHI

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Switchgear
- Patent number 8,791,379
- Issue date Jul 29, 2014
- Hitachi, Ltd.
- Shuichi Kikukawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switchgear
- Patent number 8,576,545
- Issue date Nov 5, 2013
- Hitachi, Ltd.
- Keiichi Takahashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Vacuum insulating switch gear
- Patent number 8,110,771
- Issue date Feb 7, 2012
- Hitachi, Ltd.
- Keiichi Takahashi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SWITCHGEAR
- Publication number 20120152716
- Publication date Jun 21, 2012
- Hitachi, Ltd.
- Shuichi KIKUKAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCHGEAR
- Publication number 20120044616
- Publication date Feb 23, 2012
- Keiichi TAKAHASHI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
VACUUM INSULATING SWITCH GEAR
- Publication number 20100243611
- Publication date Sep 30, 2010
- Hitachi, Ltd
- Keiichi TAKAHASHI
- H01 - BASIC ELECTRIC ELEMENTS