Ikuo Okajima

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Yachiyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rectifier control apparatus with improved power factor
- Patent number 4,688,162
- Issue date Aug 18, 1987
- Hitachi, Ltd.
- Nobuyoshi Mutoh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for controlling PWM inverters
- Patent number 4,599,549
- Issue date Jul 8, 1986
- Hitachi, Ltd.
- Nobuyoshi Mutoh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER