Chen Yu Li

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Hokkaido, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for optimizing groove structure of friction plate of wet typ...
- Patent number 7,234,580
- Issue date Jun 26, 2007
- Dynax Corporation
- Chen Yu Li
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Method for optimizing groove structure of friction plate of wet typ...
- Publication number 20050224310
- Publication date Oct 13, 2005
- Dynax Corporation
- Chen Yu Li
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...