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Masatoshi Kuwabara
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Fukuokaken, JP
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last 30 patents
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Patent Grant
Process for production of high-manganese iron alloy by smelting red...
Patent number
4,662,937
Issue date
May 5, 1987
Nippon Steel Corporation
Hiroyuki Katayama
C21 - METALLURGY OF IRON
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Patent Grant
Process for production of high-chromium alloy by smelting reduction
Patent number
4,565,574
Issue date
Jan 21, 1986
Nippon Steel Corporation
Hiroyuki Katayama
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...