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Hideyuki Yamaoka
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Namekata-gun, JP
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Patents Grants
last 30 patents
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Patent Grant
Gasification melting furnace for wastes and gasification melting me...
Patent number
6,463,864
Issue date
Oct 15, 2002
Sumitomo Metal Industries, Ltd.
Takaiku Yamamoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and facility for producing reduced iron
Patent number
6,284,017
Issue date
Sep 4, 2001
Sumitomo Metal Industries, Ltd.
Yasuo Kamei
C21 - METALLURGY OF IRON
Information
Patent Grant
Facility for producing reduced iron
Patent number
6,015,527
Issue date
Jan 18, 2000
Sumitomo Metal Industries, Ltd.
Yasuo Kamei
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing molten pig iron
Patent number
5,084,093
Issue date
Jan 28, 1992
Sumitomo Metal Industries, Ltd.
Hideyuki Yamaoka
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for coal-gasification and making pig iron
Patent number
4,564,389
Issue date
Jan 14, 1986
Sumitomo Metal Industries, Ltd.
Hideyuki Yamaoka
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus for coal-gasification and making pig iron
Patent number
4,504,043
Issue date
Mar 12, 1985
Sumitomo Metal Industries, Ltd.
Hideyuki Yamaoka
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
Gasification melting furnace for wastes and gasification melting me...
Publication number
20020033123
Publication date
Mar 21, 2002
SUMITOMO METAL INDUSTRIES, LTD.,
Takaiku Yamamoto
C21 - METALLURGY OF IRON