Hideyo Yamasaki

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Extrusion die for manufacturing tube with small hollow portions, ma...
- Patent number 7,093,474
- Issue date Aug 22, 2006
- Showa Denko K.K.
- Kimihisa Hiramoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Extrusion die for manufacturing tube with small hollow portions, ma...
- Publication number 20040244457
- Publication date Dec 9, 2004
- Kimihisa Hiramoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...