Yui TOGAWA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light-shading material for optical device
- Patent number 11,125,917
- Issue date Sep 21, 2021
- Somar Corporation
- Yui Togawa
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT-SHADING MATERIAL FOR OPTICAL DEVICE
- Publication number 20190257981
- Publication date Aug 22, 2019
- SOMAR CORPORATION
- Yui TOGAWA
- G02 - OPTICS