Toshihiko Kozutsumi

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Isesaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wet friction material
- Patent number 8,222,317
- Issue date Jul 17, 2012
- Showa Denko K.K.
- Toshihiko Kozutsumi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...