Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6440588 | Nitrogen-containing heterocyclic compound and electroluminescent device | Koushi Fukunishi, Kazuko Shirai, Koichi Takagi, Toru Kitaguchi | 2002-08-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6440588 | Nitrogen-containing heterocyclic compound and electroluminescent device | Koushi Fukunishi, Kazuko Shirai, Koichi Takagi, Toru Kitaguchi | 2002-08-27 |