YA

Yumiko Arakawa

HM Hitachi Chemical Dupont Microsystems: 1 patents #35 of 47Top 75%
📍 Ibaraki, JP: #4,343 of 6,779 inventorsTop 65%
Overall (All Time): #3,118,651 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8796411 Polyimide precursor composition, polyimide film, and transparent flexible film Yuichi Kaneya, Keiko Suzuki 2014-08-05