Yasuhiro Imazu

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Control device for railway power conditioner and control system for...
- Patent number 9,573,489
- Issue date Feb 21, 2017
- Hitachi, Ltd.
- Yasuhiro Nakatsuka
- B60 - VEHICLES IN GENERAL
Information Patent Grant
DC/AC power converter with DC side double frequency pulsation suppr...
- Patent number 8,867,247
- Issue date Oct 21, 2014
- Hitachi, Ltd.
- Akira Bando
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power converter for doubly-fed power generator system
- Patent number 7,485,980
- Issue date Feb 3, 2009
- Hitachi, Ltd.
- Masaya Ichinose
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Wind turbine generator system
- Patent number 7,145,262
- Issue date Dec 5, 2006
- Hitachi, Ltd.
- Akira Kikuchi
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Wind turbine generator system
- Patent number 7,095,132
- Issue date Aug 22, 2006
- Hitachi, Ltd.
- Akira Kikuchi
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

Information Patent Application
Power Converter and its Control Method
- Publication number 20140167701
- Publication date Jun 19, 2014
- Hitachi, Ltd
- Yasuhiro NAKATSUKA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Control Device for Railway Power Conditioner and Control System for...
- Publication number 20140152087
- Publication date Jun 5, 2014
- Hitachi, Ltd
- Yasuhiro NAKATSUKA
- B60 - VEHICLES IN GENERAL
Information Patent Application
Semiconductor Power Conversion Apparatus
- Publication number 20120170333
- Publication date Jul 5, 2012
- Hitachi, Ltd
- Akira Bando
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERTER FOR DOUBLY-FED POWER GENERATOR SYSTEM
- Publication number 20070210651
- Publication date Sep 13, 2007
- Masaya Ichinose
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
WIND TURBINE GENERATOR SYSTEM
- Publication number 20060214429
- Publication date Sep 28, 2006
- Akira Kikuchi
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Wind turbine generator system
- Publication number 20050017512
- Publication date Jan 27, 2005
- Akira Kikuchi
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...