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Senji Fujita
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Nagoya, JP
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last 30 patents
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Patent Grant
Apparatus for production metal powder having a shielded runner nozz...
Patent number
4,962,291
Issue date
Oct 9, 1990
Daido Tokushuko Kabushiki Kaisha
Senji Fujita
B22 - CASTING POWDER METALLURGY
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Patent Grant
Method and apparatus for refining steel
Patent number
4,919,714
Issue date
Apr 24, 1990
Daido Tokushuko Kabushiki Kaisha
Saburo Sugiura
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of and apparatus for melting scrap
Patent number
4,531,971
Issue date
Jul 30, 1985
Daido Tokushuko Kabushiki Kaisha
Sabro Sugiura
C21 - METALLURGY OF IRON