Yoshimasa Matsumoto

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Kashima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for manufacturing UOE steel pipes
- Patent number 7,231,792
- Issue date Jun 19, 2007
- Sumitomo Metal Industries, Ltd.
- Hidenori Shitamoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Method and device for manufacturing UOE steel pipes
- Publication number 20060236737
- Publication date Oct 26, 2006
- Hidenori Shitamoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...