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Nobuhiko Morioka
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Tokyo, JP
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last 30 patents
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Patent Grant
Threaded joint for pipes
Patent number
9,470,345
Issue date
Oct 18, 2016
JFE Steel Corporation
Masaki Yoshikawa
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Patents Applications
last 30 patents
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Patent Application
THREADED JOINT FOR PIPES
Publication number
20150061287
Publication date
Mar 5, 2015
JFE STEEL CORPORATION
Masaki Yoshikawa
E21 - EARTH DRILLING MINING