Issued Patents 2011
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8044222 | Aromatic amine derivatives and organic electroluminescent device using same | Nobuhiro Yabunouchi, Hisayuki Kawamura | 2011-10-25 |
| 8034256 | Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same | Kazuki Nishimura, Yoriyuki Takashima, Mitsunori Ito, Toshihiro Iwakuma, Toshinari Ogiwara +2 more | 2011-10-11 |
| 8029697 | Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same | Kazuki Nishimura, Yoriyuki Takashima, Mitsunori Ito, Toshihiro Iwakuma, Toshinari Ogiwara +2 more | 2011-10-04 |
| 8025815 | Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same | Kazuki Nishimura, Yoriyuki Takashima, Mitsunori Ito, Toshihiro Iwakuma, Toshinari Ogiwara +2 more | 2011-09-27 |
| 8021574 | Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same | Kazuki Nishimura, Yoriyuki Takashima, Mitsunori Ito, Toshihiro Iwakuma, Toshinari Ogiwara +2 more | 2011-09-20 |
| 7998596 | Aromatic amine derivative and organic electroluminescence device using the same | Nobuhiro Yabunouchi | 2011-08-16 |
| 7981523 | Aromatic amine derivative and organic electroluminescence device using the same | Chishio Hosokawa, Masakazu Funahashi | 2011-07-19 |
| 7867629 | Nitrogenous heterocyclic derivative and organic electroluminescent element employing the same | Hiroshi Yamamoto, Masahide Matsuura, Hidetsugu Ikeda, Mineyuki Kubota | 2011-01-11 |