Tatsushi Ito

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pipe expanding method and pipe expanding device for steel pipe
- Patent number 8,365,571
- Issue date Feb 5, 2013
- Komatsu Ltd.
- Takahiro Noguchi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
PIPE EXPANDING METHOD AND PIPE EXPANDING DEVICE FOR STEEL PIPE
- Publication number 20090090159
- Publication date Apr 9, 2009
- Komatsu Ltd.
- Takahiro Noguchi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...