Atsuhiro Yoshizaki

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Hitachinaka-shi, Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor module and power conversion device
- Patent number 7,508,068
- Issue date Mar 24, 2009
- Hitachi, Ltd.
- Atsuhiro Yoshizaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor module and power conversion device
- Patent number 7,193,317
- Issue date Mar 20, 2007
- Hitachi, Ltd.
- Atsuhiro Yoshizaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor module and power conversion device
- Patent number 6,873,045
- Issue date Mar 29, 2005
- Hitachi, Ltd.
- Atsuhiro Yoshizaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power supply apparatus having a function of compensating for change...
- Patent number 5,998,886
- Issue date Dec 7, 1999
- Hitachi, Ltd.
- Yasutaka Hoshino
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protective relay
- Patent number 4,464,698
- Issue date Aug 7, 1984
- Hitachi, Ltd.
- Atsuhiro Yoshizaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Fuel Cell System Having Hydrogen Generating Apparatus
- Publication number 20090263687
- Publication date Oct 22, 2009
- Atsuhiro Yoshizaki
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Semiconductor Module and Power Conversion Device
- Publication number 20070159864
- Publication date Jul 12, 2007
- Hitachi, Ltd
- Atsuhiro Yoshizaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor module and power conversion device
- Publication number 20040104446
- Publication date Jun 3, 2004
- Atsuhiro Yoshizaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor module and power conversion device
- Publication number 20040012064
- Publication date Jan 22, 2004
- Atsuhiro Yoshizaki
- H01 - BASIC ELECTRIC ELEMENTS