Shigeru Nakamura

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Patents Grantslast 30 patents

Information Patent Grant
High toughness steel material and method of producing steel pipes u...
- Patent number 6,958,099
- Issue date Oct 25, 2005
- Sumitomo Metal Industries, Ltd.
- Shigeru Nakamura
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
High toughness steel material and method of producing steel pipes u...
- Publication number 20030178111
- Publication date Sep 25, 2003
- Shigeru Nakamura
- C21 - METALLURGY OF IRON