US Patent 7749431 Stainless steel for high-pressure hydrogen gas
Patent 7749431 was granted and assigned to Sumitomo Metal Industries on July, 2010 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
April 18, 2005
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Date of Patent
July 6, 2010
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Patent Application Number
11108098
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Patent Inventor Names
Kazuhiro Ogawa
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Tomohiko Omura
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Mitsuo Miyahara
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Hiroyuki Semba
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Masaaki Igarashi
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Patent Jurisdiction
Patent Number
Patent Primary Examiner
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