Kouichi HARADA

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing seamless tubes
- Patent number 8,490,452
- Issue date Jul 23, 2013
- Nippon Steel & Sumitomo Metal Corporation
- Kouichi Harada
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING SEAMLESS TUBES
- Publication number 20120047981
- Publication date Mar 1, 2012
- Sumitomo Metal Industries, Ltd.
- Kouichi HARADA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...