Yukio Arai

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of detecting phase pulse signals from an AC distribution line
- Patent number 4,744,093
- Issue date May 10, 1988
- Osaki Electric Co., Ltd.
- Yukio Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Carrier control method by using phase-pulse signals
- Patent number 4,563,679
- Issue date Jan 7, 1986
- Osaki Electric Co., Ltd.
- Yukio Arai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER