HO

Hajime Osaka

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Overall (All Time): #1,640,317 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5821003 Organic electroluminescent device Takashi Uemura, Hiroya Kimura, Nobuyuki Okuda, Yoshinobu Ueba, Yasuko Okuda 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
4584053 Process for preparing ZnSe single crystal Hirokuni Namba, Koichi Kamon, Fuminori Higuchi 1986-04-22