Hiroyuki Iwamoto

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Patents Grantslast 30 patents

Information Patent Grant
Monitoring apparatus and monitoring method of seamless pipe or tube...
- Patent number 8,413,474
- Issue date Apr 9, 2013
- Nippon Steel & Sumitomo Metal Corporation
- Hiroyuki Iwamoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...