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Katsumi Kurebayashi
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Tokai-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Steel plate having yield strength of 670 to 870 N/mm2 and tensile s...
Patent number
9,499,873
Issue date
Nov 22, 2016
Nippon Steel & Sumitomo Metal Corporation
Naoki Saitoh
C21 - METALLURGY OF IRON
Information
Patent Grant
High toughness abrasion resistant steel with little change in hardn...
Patent number
8,097,099
Issue date
Jan 17, 2012
Nippon Steel Corporation
Naoki Saitoh
C21 - METALLURGY OF IRON
Information
Patent Grant
Welded joint of high fatigue strength
Patent number
5,964,964
Issue date
Oct 12, 1999
Nippon Steel Corporation
Katsumi Kurebayashi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
High tensile steel having excellent fatigue strength at its weld an...
Patent number
5,634,988
Issue date
Jun 3, 1997
Nippon Steel Corporation
Katsumi Kurebayashi
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
STEEL PLATE HAVING YIELD STRENGTH OF 670 to 870 N/mm2 AND TENSILE S...
Publication number
20150247214
Publication date
Sep 3, 2015
NIPPON STEEL & SUMITOMO METAL CORPORATION
Naoki Saitoh
C21 - METALLURGY OF IRON