Sigeru Koibuchi

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Tsukuba-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polymeric optical waveguide film
- Patent number 7,162,134
- Issue date Jan 9, 2007
- Hitachi Chemical Co., Ltd.
- Masatoshi Yamaguchi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Polymeric optical waveguide film
- Publication number 20050002631
- Publication date Jan 6, 2005
- Hitachi Chemical Co., Ltd.
- Masatoshi Yamaguchi
- G02 - OPTICS