Hajime Fujita

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum interrupter contacts and process for producing the same
- Patent number 5,109,145
- Issue date Apr 28, 1992
- Kabushiki Kaisha Toshiba
- Hajime Fujita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum interrupter contacts and process for producing the same
- Patent number 4,940,863
- Issue date Jul 10, 1990
- Kabushiki Kaisha Toshiba
- Hajime Fujita
- H01 - BASIC ELECTRIC ELEMENTS