Sumio Nagai

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Patents Grantslast 30 patents

Information Patent Grant
Sandwich panel, method of forming core material for sandwich panel,...
- Patent number 9,283,895
- Issue date Mar 15, 2016
- Kyoraku Co., Ltd.
- Takehiko Sumi
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
SANDWICH PANEL, METHOD OF FORMING CORE MATERIAL FOR SANDWICH PANEL,...
- Publication number 20110250384
- Publication date Oct 13, 2011
- Takehiko Sumi
- B60 - VEHICLES IN GENERAL