Yoshinari Satoh

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Contact forming material for a vacuum interrupter
- Patent number 5,149,362
- Issue date Sep 22, 1992
- Kabushiki Kaisha Toshiba
- Tsutomu Okutomi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Contact forming material for a vacuum interrupter
- Patent number 5,045,281
- Issue date Sep 3, 1991
- Kabushiki Kaisha Toshiba
- Tsutomu Okutomi
- H01 - BASIC ELECTRIC ELEMENTS