Sei Yamasaki

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Osaka Sumiyoshi-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vehicle impact attenuator
- Patent number 7,287,930
- Issue date Oct 30, 2007
- NKC CO., Ltd.
- Sei Yamasaki
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
Vehicle impact attenuator
- Publication number 20060099030
- Publication date May 11, 2006
- Sei Yamasaki
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES