Akihiko Kumagai

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Sacramento, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for modeling coil springs using a force field...
- Patent number 7,606,690
- Issue date Oct 20, 2009
- NHK International Corporation
- Shinichi Nishizawa
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for modeling coil springs using a force field...
- Publication number 20030111309
- Publication date Jun 19, 2003
- Shinichi Nishizawa
- B60 - VEHICLES IN GENERAL