Tadashi Sodeyama

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Power conversion device with a daisy chain configuration communicat...
- Patent number 9,214,871
- Issue date Dec 15, 2015
- Hitachi, Ltd.
- Mitsuyoshi Tsuchiya
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Wind power generation system and operation method thereof
- Patent number 8,093,740
- Issue date Jan 10, 2012
- Hitachi, Ltd.
- Shinya Oohara
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Variable speed wind power generation system
- Patent number 7,659,637
- Issue date Feb 9, 2010
- Hitachi, Ltd.
- Masaya Ichinose
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Wind power generation system and operating method thereof
- Patent number 7,569,944
- Issue date Aug 4, 2009
- Hitachi, Ltd.
- Shinya Oohara
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

Information Patent Application
Power Conversion Device
- Publication number 20130223115
- Publication date Aug 29, 2013
- Hitachi, Ltd
- Mitsuyoshi Tsuchiya
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Wind Power Generation System And Operation Method Thereof
- Publication number 20090261589
- Publication date Oct 22, 2009
- Shinya Oohara
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Wind Power Generation System and Operating Method Thereof
- Publication number 20080277938
- Publication date Nov 13, 2008
- Hitachi, Ltd.
- Shinya OOHARA
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
VARIABLE SPEED WIND POWER GENERATION SYSTEM
- Publication number 20080001411
- Publication date Jan 3, 2008
- MASAYA ICHINOSE
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...