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Satoshi Kohira
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Fukuyama, JP
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last 30 patents
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Patent Grant
Method for blowing oxygen in converter and top-blown lance for blow...
Patent number
6,793,710
Issue date
Sep 21, 2004
NKK Corporation
Ikuhiro Sumi
C21 - METALLURGY OF IRON
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Patent Grant
Blister-resistant steel sheet and method for producing thereof
Patent number
5,356,493
Issue date
Oct 18, 1994
NKK Corporation
Seishi Tsuyama
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
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Patent Application
Material for phosphate fertilizer and method for production thereof
Publication number
20040163435
Publication date
Aug 26, 2004
JFE STEEL CORPORATION
Tatsuhito Takahashi
C05 - FERTILISERS MANUFACTURE THEREOF
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Patent Application
Method for blowing oxygen in converter and top-blown lance for blow...
Publication number
20030010155
Publication date
Jan 16, 2003
NKK Corporation
Ikuhiro Sumi
C21 - METALLURGY OF IRON