Hironori Umemura

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Toyohashi-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Self-piercing rivet setting die and apparatus
- Patent number 7,284,319
- Issue date Oct 23, 2007
- Newfrey LLC
- Toru Kato
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Self-piercing rivet setting die and apparatus
- Publication number 20050086799
- Publication date Apr 28, 2005
- Toru Kato
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Self-piercing rivet
- Publication number 20040068854
- Publication date Apr 15, 2004
- Toru Kato
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...