Kenji Muneuchi

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Yonezawa-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
3, 6-diphenylcarbazole compound and organic electroluminescent device
- Patent number 7,745,988
- Issue date Jun 29, 2010
- Ricoh Company, Limited
- Masaomi Sasaki
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
3, 6-Diphenylcarbazole compound and organic electroluminescent device
- Publication number 20050084711
- Publication date Apr 21, 2005
- Masaomi Sasaki
- C07 - ORGANIC CHEMISTRY