Yasunobu Fujita

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
DC power supply circuit
- Patent number 5,576,580
- Issue date Nov 19, 1996
- Hitachi, Ltd.
- Minoru Hosoda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Insulation diagnosis device
- Publication number 20030098694
- Publication date May 29, 2003
- Yasunobu Fujita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER