AT

Akiko Tsujii

TC Toppan Printing Co.: 1 patents #691 of 1,467Top 50%
Overall (All Time): #3,301,016 of 4,157,543Top 80%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7786667 Organic electroluminescent element comprising a luminescent assist layer Hideyuki Yamakawa, Takao SHISHIDO 2010-08-31