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Seiko Watanabe
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Hyogo, JP
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Patents Grants
last 30 patents
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Patent Grant
High-strength steel sheet having excellent workability
Patent number
8,465,600
Issue date
Jun 18, 2013
Kobe Steel, Ltd.
Seiko Watanabe
C21 - METALLURGY OF IRON
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Patent Grant
High-strength steel sheet superior in formability
Patent number
8,128,762
Issue date
Mar 6, 2012
Kobe Steel, Ltd.
Seiko Watanabe
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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Patent Application
HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT WORKABILITY
Publication number
20090056836
Publication date
Mar 5, 2009
KAB. KAISHA KOBE SEIKO SHO (Kobe Steel, Ltd.)
Seiko Watanabe
C21 - METALLURGY OF IRON