Masahiko Matsui

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multimode optical fiber
- Patent number 7,773,847
- Issue date Aug 10, 2010
- Sumitomo Electric Industries, Ltd.
- Kazuaki Negishi
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Multimode optical fiber
- Publication number 20060263019
- Publication date Nov 23, 2006
- Kazuaki Negishi
- G02 - OPTICS