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Yoshitaka Soga
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Chiyoda-ku, JP
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Patents Grants
last 30 patents
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Patent Grant
Hot-dip galvanized steel pipe and method of manufacturing the same
Patent number
9,593,796
Issue date
Mar 14, 2017
Nippon Steel & Sumitomo Metal Corporation
Kouichi Okamoto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
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Patent Application
HOT-DIP GALVANIZED STEEL PIPE AND METHOD OF MANUFACTURING THE SAME
Publication number
20150090359
Publication date
Apr 2, 2015
NIPPON STEEL & SUMITOMO METAL CORPORATION
Kouichi Okamoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...