Eiji Tokuhara

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Nagahama-Shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sheet metal repair method, sheet metal repair tool, and sheet-like...
- Patent number 6,560,838
- Issue date May 13, 2003
- Akio Ito
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Sheet metal repair method, sheet metal repair tool, and sheet-like...
- Publication number 20020116807
- Publication date Aug 29, 2002
- Akio Ito
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...