Jiro Asaka

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Yamagata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Organic electroluminescent device having a light-emitting layer com...
- Patent number 8,703,303
- Issue date Apr 22, 2014
- Nippon Steel & Sumikin Chemical Co., Ltd.
- Toshihiro Yamamoto
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
- Publication number 20110062862
- Publication date Mar 17, 2011
- Toshihiro Yamamoto
- C07 - ORGANIC CHEMISTRY