Kenji Kayama

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Shaft for fluid dynamic bearing, fluid dynamic bearing device, and...
- Patent number 7,226,211
- Issue date Jun 5, 2007
- NHK Spring Co., Ltd.
- Eijiro Furuta
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Shaft for fluid dynamic bearing, fluid dynamic bearing device, and...
- Publication number 20050078893
- Publication date Apr 14, 2005
- NHK SPRING CO., LTD
- Eijiro Furuta
- B24 - GRINDING POLISHING