Yoshimasa Takahashi

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Integrated circuit for driving semiconductor device and power conve...
- Patent number 7,973,405
- Issue date Jul 5, 2011
- Hitachi, Ltd.
- Yoshimasa Takahashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Integrated circuit for driving semiconductor device and power conve...
- Patent number 7,763,974
- Issue date Jul 27, 2010
- Hitachi, Ltd.
- Yoshimasa Takahashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor device
- Patent number 7,579,805
- Issue date Aug 25, 2009
- Hitachi, Ltd.
- Atsushi Saito
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multi-phase alternating-current rotational electric machine
- Patent number 7,075,201
- Issue date Jul 11, 2006
- Hitachi, Ltd.
- Yoshimasa Takahashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Integrated Circuit for Driving Semiconductor Device and Power Conve...
- Publication number 20100225363
- Publication date Sep 9, 2010
- Hitachi, Ltd
- Yoshimasa TAKAHASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor Device
- Publication number 20070215316
- Publication date Sep 20, 2007
- Hitachi, Ltd
- Atsushi Saito
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Semiconductor device structural body and electronic device
- Publication number 20050029666
- Publication date Feb 10, 2005
- Yasutoshi Kurihara
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Multi-phase alternating-current rotational electric machine
- Publication number 20040183385
- Publication date Sep 23, 2004
- Hitachi, Ltd
- Yoshimasa Takahashi
- H01 - BASIC ELECTRIC ELEMENTS