Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6593013 | Electroluminescence device, cyclic azine compound and production process of cyclic azine dye | Tatsuya Igarashi | 2003-07-15 |
| 6555959 | Material for light emitting device, light emitting device using thereof, and amine compound | — | 2003-04-29 |
| 6537687 | Light emitting element material | — | 2003-03-25 |
| 6514633 | Light emitting device material, light emitting device using thereof, and amine compound | — | 2003-02-04 |