WG

Wang Guofang

CH Chisso: 2 patents #331 of 833Top 40%
Overall (All Time): #2,183,110 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6936189 Cyclic tertiary amine compound and organic electroluminescent device containing the compound Manabu Uchida, Hajime Yokoi, Takaharu Nakano, Kenji Furukawa 2005-08-30
6761981 Cyclic tertiary amine compound and organic electroluminescent device containing the compound Manabu Uchida, Hajime Yokoi, Takaharu Nakano, Kenji Furukawa 2004-07-13