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Tetsu Nakahashi
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Aichi, JP
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Patents Grants
last 30 patents
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Patent Grant
High-strength seamless stainless steel pipe for oil country tubular...
Patent number
10,329,633
Issue date
Jun 25, 2019
JFE Steel Corporation
Kazuki Fujimura
C21 - METALLURGY OF IRON
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Patent Grant
High-strength stainless steel pipe
Patent number
10,151,012
Issue date
Dec 11, 2018
JFE Steel Corporation
Kenichiro Eguchi
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
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Patent Application
HIGH-STRENGTH SEAMLESS STAINLESS STEEL PIPE FOR OIL COUNTRY TUBULAR...
Publication number
20170096722
Publication date
Apr 6, 2017
JFE STEEL CORPORATION
Kazuki FUJIMURA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING A HIGH-STRENGTH STAINLESS STEEL PIPE AND A...
Publication number
20160215359
Publication date
Jul 28, 2016
JFE STEEL CORPORATION
Kenichiro Eguchi
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH SEAMLESS STAINLESS STEEL TUBE FOR OIL COUNTRY TUBULAR...
Publication number
20150101711
Publication date
Apr 16, 2015
JFE STEEL CORPORATION
Yukio Miyata
C21 - METALLURGY OF IRON