Tsutomu Shima

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Chiyoda-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Production method and production facility of metal pipe
- Patent number 9,938,602
- Issue date Apr 10, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Shunichi Otsuka
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
PRODUCTION METHOD AND PRODUCTION FACILITY OF METAL PIPE
- Publication number 20150068650
- Publication date Mar 12, 2015
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Shunichi Otsuka
- C21 - METALLURGY OF IRON