Aya Takagiwa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light extraction product for semiconductor light emitting device an...
- Patent number 9,419,249
- Issue date Aug 16, 2016
- Asahi Kasei E-Materials Corporation
- Fujito Yamaguchi
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT EXTRACTION PRODUCT FOR SEMICONDUCTOR LIGHT EMITTING DEVICE AN...
- Publication number 20150076468
- Publication date Mar 19, 2015
- ASAHI KASEI E-MATERIALS CORPORATION
- Fujito Yamaguchi
- B32 - LAYERED PRODUCTS