Sunao Takeuchi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Plasma torch
- Patent number 9,226,378
- Issue date Dec 29, 2015
- Nippon Steel & Sumitomo Metal Corporation
- Hideki Hamatani
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of production of electric resistance welded steel pipe and h...
- Patent number 9,050,681
- Issue date Jun 9, 2015
- Nippon Steel & Sumitomo Metal Corporation
- Hideki Hamatani
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
PLASMA TORCH
- Publication number 20130319979
- Publication date Dec 5, 2013
- Hideki Hamatani
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD OF PRODUCTION OF ELECTRIC RESISTANCE WELDED STEEL PIPE AND H...
- Publication number 20100104888
- Publication date Apr 29, 2010
- Hideki Hamatani
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR