Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8044222 | Aromatic amine derivatives and organic electroluminescent device using same | Nobuhiro Yabunouchi, Masahiro Kawamura | 2011-10-25 |
| 8035297 | Organic electroluminescent device with carrier blocking layer interposed between two emitting layers | Takashi Arakane, Hitoshi Kuma, Toshihiro Iwakuma, Chishio Hosokawa | 2011-10-11 |
| 8013160 | Fluorene-based derivative and organic electroluminescence device employing the same | Mitsunori Ito, Hiroshi Yamamoto, Satoshi Hachiya | 2011-09-06 |
| 7976957 | Aromatic amine derivative and organic electroluminescent element employing the same | Nobuhiro Yabunouchi, Chishio Hosokawa | 2011-07-12 |
| 7939183 | Material for organic electroluminescent device and organic electroluminescent device using same | Toshihiro Iwakuma, Hidetsugu Ikeda, Chishio Hosokawa, Takashi Arakane, Hiroaki Nakamura | 2011-05-10 |
| 7888865 | Organic electroluminescent device and display having multiple emitting layers | Toshihiro Iwakuma, Masahide Matsuura, Hiroshi Yamamoto, Chishio Hosokawa | 2011-02-15 |