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Yasuyoshi Yamane
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Chiba, JP
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last 30 patents
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Patent Grant
Steel having excellent outer surface SCC resistance for pipeline
Patent number
6,517,643
Issue date
Feb 11, 2003
Nippon Steel Corporation
Hitoshi Asahi
C21 - METALLURGY OF IRON
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Patent Grant
Weatherable steel material
Patent number
6,436,340
Issue date
Aug 20, 2002
Kawasaki Steel Corporation
Kazuhiko Shiotani
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...