Masamichi Nawa

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Patents Grantslast 30 patents

Information Patent Grant
Electric power converter and motor driving system
- Patent number 7,541,769
- Issue date Jun 2, 2009
- Hitachi, Ltd.
- Masamichi Nawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Electric power converter and motor driving system
- Publication number 20070176575
- Publication date Aug 2, 2007
- HITACHI, LTD.
- Masamichi Nawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER