II

Ikumi Ichihashi

NC NS Sumikin Chemical: 2 patents #40 of 144Top 30%
Overall (All Time): #2,052,879 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8847367 Organic electroluminescent device Takayuki Fukumatsu, Hiroshi Miyazaki, Atsushi Oda 2014-09-30
8758904 Organic electroluminescent device comprising a first electron-transporting layer and a second electron-transporting layer Takayuki Fukumatsu, Toshihiro Yamamoto, Katsuhide Noguchi 2014-06-24