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Yasuhiro Nakashima
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Shimonoseki, JP
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last 30 patents
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Patent Grant
Migration resistant phosphor bronze alloy
Patent number
4,732,732
Issue date
Mar 22, 1988
Kabushiki Kaisha Kobe Seiko Sho
Motohisa Miyafuji
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Copper alloy and production of the same
Patent number
4,656,003
Issue date
Apr 7, 1987
Kabushiki Kaisha Kobe Seiko Sho
Motohisa Miyafuji
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Copper alloys for electric and electronic devices and method for pr...
Patent number
4,430,298
Issue date
Feb 7, 1984
Kabushiki Kaisha Kobe Seiko Sho
Motohisa Miyafuji
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...