Chikara Tanaka

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Converter and power converter that becomes it with the converter
- Patent number 7,839,663
- Issue date Nov 23, 2010
- Hitachi Appliances, Inc.
- Takahiro Suzuki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Converter and power converter that becomes it with the converter
- Patent number 7,471,525
- Issue date Dec 30, 2008
- Hitachi Appliances, Inc.
- Takahiro Suzuki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Treatment solution for forming insulating layers on magnetic partic...
- Patent number 6,344,273
- Issue date Feb 5, 2002
- Hitachi, Ltd.
- Yuichi Satsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for forming insulating layers on soft magnetic powder compo...
- Patent number 6,054,219
- Issue date Apr 25, 2000
- Hitachi, Ltd.
- Yuichi Satsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fault protection for a multiphase bridge power converter
- Patent number 5,265,002
- Issue date Nov 23, 1993
- Hitachi, Ltd.
- Akira Bando
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor electric power conversion system enabling fault and/o...
- Patent number 5,099,409
- Issue date Mar 24, 1992
- Hitachi, Ltd.
- Akira Bando
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Converter And Power Converter That Becomes It With The Converter
- Publication number 20090135630
- Publication date May 28, 2009
- Takahiro Suzuki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Converter and power converter that becomes it with the converter
- Publication number 20060044848
- Publication date Mar 2, 2006
- Takahiro Suzuki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER