Akihiko Hirao

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Kadoma, JP

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Patents Grantslast 30 patents

Information Patent Grant
Circuit breaker
- Patent number 5,151,671
- Issue date Sep 29, 1992
- Matsushita Electric Works, Ltd.
- Akihiko Hirao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Current limiting circuit interrupter
- Patent number 4,743,720
- Issue date May 10, 1988
- Matsushita Electric Works, Ltd.
- Akira Takeuchi
- H01 - BASIC ELECTRIC ELEMENTS