Masato Iizumi

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Okayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Soundproof panel and soundproof structure
- Patent number 8,387,747
- Issue date Mar 5, 2013
- Kuraray Co., Ltd.
- Masaru Koike
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
SOUNDPROOF PANEL AND SOUNDPROOF STRUCTURE
- Publication number 20110266088
- Publication date Nov 3, 2011
- Kuraray Kuraflex Co., Ltd.
- Masaru Koike
- B32 - LAYERED PRODUCTS