YO

Yasuko Okuda

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #2,263,212 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5821003 Organic electroluminescent device Takashi Uemura, Hiroya Kimura, Nobuyuki Okuda, Yoshinobu Ueba, Hajime Osaka 1998-10-13
5792567 Triazole derivatives and organic electroluminescent devices produced therefrom Junji Kido, Takashi Uemura, Hiroya Kimura, Nobuyuki Okuda, Yoshinobu Ueba +1 more 1998-08-11