Akihiko Numazawa

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Yamagata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Organic EL element and method of producing the same
- Patent number 7,038,372
- Issue date May 2, 2006
- Tohoku Pioneer Corporation
- Toshinao Yuki
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Organic EL element and method of producing the same
- Publication number 20050012451
- Publication date Jan 20, 2005
- Tohoku Pioneer Corporation
- Toshinao Yuki
- H01 - BASIC ELECTRIC ELEMENTS