Keiji Saito

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fault protection for a multiphase bridge power converter
- Patent number 5,265,002
- Issue date Nov 23, 1993
- Hitachi, Ltd.
- Akira Bando
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor electric power conversion system enabling fault and/o...
- Patent number 5,099,409
- Issue date Mar 24, 1992
- Hitachi, Ltd.
- Akira Bando
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power system and synchronizing breakers for a variable speed genera...
- Patent number 4,952,852
- Issue date Aug 28, 1990
- Hitachi, Ltd.
- Akira Bando
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER