Nissen Chemitec Co., Ltd.

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Niihama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light-guiding panel for surface lighting and a surface lighting body
- Patent number 5,555,160
- Issue date Sep 10, 1996
- Nissen Chemitec Co., Ltd.
- Nobuyoshi Tawara
- G02 - OPTICS