Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821645 | Light-emitting material comprising orthometalated iridium complex, light-emitting device, high efficiency red light-emitting device, and novel iridium complex | Tatsuya Igarashi, Keizo Kimura | 2004-11-23 |
| 6693295 | Indole derivative, material for light-emitting device and light-emitting device using the same | — | 2004-02-17 |
| 6689491 | Luminescent device material, luminescent device using the same, and amine compound | Terukazu Yanagi | 2004-02-10 |