Toshimi Sato

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for forming a non-circular pipe
- Patent number 5,735,156
- Issue date Apr 7, 1998
- Hitachi, Ltd.
- Yuji Yoshitomi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
SPINNING METHOD, SPINNING MACHINE, AND SHAPED COMPONENT
- Publication number 20130284304
- Publication date Oct 31, 2013
- Hitachi, Ltd
- YounJeong HONG
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...