Isao Okugawa

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Suzuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing electrical contact
- Patent number 5,351,396
- Issue date Oct 4, 1994
- Sumitomo Electric Industries, Ltd.
- Kazuo Sawada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric contact and method for producing the same
- Patent number 5,272,295
- Issue date Dec 21, 1993
- Sumitomo Electric Industries, Ltd.
- Kazuo Sawada
- H01 - BASIC ELECTRIC ELEMENTS