Hisao Yabu

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
High frequency relay
- Patent number 6,329,891
- Issue date Dec 11, 2001
- Matsushita Electric Works, Ltd.
- Tokatoshi Hayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Relay for high-frequency circuits
- Patent number 4,613,840
- Issue date Sep 23, 1986
- Matsushita Electric Works, Ltd.
- Hisao Yabu
- H01 - BASIC ELECTRIC ELEMENTS