Osamu Otsuka

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Atsugi, JP

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Patents Grantslast 30 patents

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
Semiconductor device and power conversion apparatus using the same
- Patent number 7,542,317
- Issue date Jun 2, 2009
- Hitachi, Ltd.
- Katsunori Azuma
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

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 and power conversion apparatus using the same
- Publication number 20070051974
- Publication date Mar 8, 2007
- Hitachi, Ltd
- Katsunori Azuma
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR