Yushin Yoneda

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Mebuki, Noda City, Chiba Prefecture, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing an ignition file for a lighter
- Patent number 4,702,152
- Issue date Oct 27, 1987
- Yushin Yoneda
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Manufacture of rotatable ignition files or flint wheels
- Patent number 4,290,292
- Issue date Sep 22, 1981
- Yushin Yoneda
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...