Kouji Yasukawa

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Organic electroluminescent device
- Patent number 6,268,071
- Issue date Jul 31, 2001
- TDK Corporation
- Kouji Yasukawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Organic electroluminescent device
- Patent number 6,259,204
- Issue date Jul 10, 2001
- TDK Corporation
- Akira Ebisawa
- H01 - BASIC ELECTRIC ELEMENTS