Noboru Ogawa

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Large capacity variable speed PWM spatial vector type sub-harmonic...
- Patent number 5,298,848
- Issue date Mar 29, 1994
- Hitachi, Ltd.
- Shigeta Ueda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switch mode power supply having magnetically controlled output
- Patent number 4,626,976
- Issue date Dec 2, 1986
- Hitachi, Ltd.
- Kozin Abe
- G05 - CONTROLLING REGULATING