Hiroya Yasuda

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Organic electroluminescent device
- Patent number 8,895,154
- Issue date Nov 25, 2014
- Idemitsu Kosan Co., Ltd.
- Toshihiro Iwakuma
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Organic electroluminescent device
- Publication number 20070172698
- Publication date Jul 26, 2007
- IDEMITSU KOSAN CO., LTD.
- Toshihiro Iwakuma
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Material for organic electroluminescence element, and organic elect...
- Publication number 20060141284
- Publication date Jun 29, 2006
- Seiji Tomita
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...