Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6767654 | Organic electroluminescent device | Kouhei Tamao, Shigehiro Yamaguchi, Takaharu Nakano, Toshihiro Koike, Takenori Izumizawa +1 more | 2004-07-27 |
| 6761981 | Cyclic tertiary amine compound and organic electroluminescent device containing the compound | Wang Guofang, Hajime Yokoi, Takaharu Nakano, Kenji Furukawa | 2004-07-13 |
| 6696182 | Organic electroluminescent device comprising dipyridylthiophene derivative | Hiroshi Yamada, Takaharu Nakano, Kenji Furukawa | 2004-02-24 |