Yamamoto Electric Industries, Ltd.

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Fukushima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Speed control circuit arrangement for an AC commutator motor
- Patent number 4,228,383
- Issue date Oct 14, 1980
- Yamamoto Electric Industries, Ltd.
- Katsuji Soeda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER