Keiichi NAKAMURA

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of evaluating fastening state of threaded joint of pipes or...
- Patent number 8,438,926
- Issue date May 14, 2013
- Nippon Steel & Sumitomo Metal Corporation
- Ikuji Hoshino
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF EVALUATING FASTENING STATE OF THREADED JOINT OF PIPES OR...
- Publication number 20120067127
- Publication date Mar 22, 2012
- Sumitomo Metal Industries, Ltd.
- Ikuji HOSHINO
- G01 - MEASURING TESTING