Issued Patents 2004
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818327 | Organic electroluminescence device | Sanae Tagami, Hidetsugu Ikeda, Takashi Arakane | 2004-11-16 |
| 6815090 | Organic electroluminescence device | Sanae Tagami, Hidetsugu Ikeda, Takashi Arakane | 2004-11-09 |
| 6803120 | Organic electroluminescence device emitting white light | Kenichi Fukuoka, Sanae Tagami | 2004-10-12 |
| 6803121 | Organic electroluminescence device | Toshio Sakai, Kenichi Fukuoka, Hiroshi Tokairin | 2004-10-12 |
| 6797848 | Anthracene derivative and organic electroluminescence device using the derivative | Hidetsugu Ikeda, Masakazu Funahashi | 2004-09-28 |
| 6773831 | Organic electroluminescent device | Hisahiro Higashi | 2004-08-10 |
| 6762438 | Organic electroluminescent layer with oligomer hole injection layer | Toshio Sakai, Hisayuki Kawamura | 2004-07-13 |
| 6747405 | Organic EL display device having conductive color changing layers | — | 2004-06-08 |
| 6743948 | Organic electroluminescent device | Masakazu Funahashi, Hisayuki Kawamura, Hiromasa Arai, Hidetoshi Koga, Hidetsugu Ikeda | 2004-06-01 |
| 6713192 | Organic electroluminescence device and organic light emitting medium | Kenichi Fukuoka | 2004-03-30 |