Kojin Abe

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Resonant converter for stabilized operation of switching devices
- Patent number 4,858,096
- Issue date Aug 15, 1989
- Hitachi, Ltd.
- Kenichi Onda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching power supply using a saturable reactor to control a switc...
- Patent number 4,700,280
- Issue date Oct 13, 1987
- Hitachi, Ltd.
- Kenichi Onda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multiple output switching power supply
- Patent number 4,665,473
- Issue date May 12, 1987
- Hitachi, Ltd.
- Kenichi Onda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching power supply apparatus
- Patent number 4,499,530
- Issue date Feb 12, 1985
- Hitachi, Ltd.
- Kenichi Onda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER