Masami Sakiyama

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Wakayama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Manufacturing method and cleaning equipment for seamless tube
- Patent number 7,469,565
- Issue date Dec 30, 2008
- Sumitomo Metal Industries, Ltd.
- Kouji Nakaike
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
Manufacturing method and cleaning equipment for seamless tube
- Publication number 20080083254
- Publication date Apr 10, 2008
- Kouji Nakaike
- B08 - CLEANING