Tetsu SUGIURA

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Hitachinaka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
DC power supply including resonant circuit for reducing switching l...
- Patent number 8,964,414
- Issue date Feb 24, 2015
- Hitachi, Ltd.
- Tetsuo Kojima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power converter and power converter of rolling stock
- Patent number 8,963,456
- Issue date Feb 24, 2015
- Hitachi, Ltd.
- Tetsu Sugiura
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electric power conversion device
- Patent number 8,922,997
- Issue date Dec 30, 2014
- Hitachi, Ltd.
- Takeshi Shinomiya
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
ELECTRIC POWER CONVERSION DEVICE
- Publication number 20130094150
- Publication date Apr 18, 2013
- Hitachi, Ltd
- Takeshi SHINOMIYA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC POWER SUPPLY
- Publication number 20120300501
- Publication date Nov 29, 2012
- Hitachi Mito Engineering Co., Ltd.
- Tetsuo KOJIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERTER AND POWER CONVERTER OF ROLLING STOCK
- Publication number 20120229055
- Publication date Sep 13, 2012
- Tetsu SUGIURA
- B60 - VEHICLES IN GENERAL