Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833200 | Luminescent device with a triarylamine compound | Yuichi Hashimoto, Kazunori Ueno, Seiji Mashimo, Shinichi Urakawa | 2004-12-21 |
| 6830829 | Fused polynuclear compound and organic luminescence device | Koichi Suzuki, Hiroshi Tanabe | 2004-12-14 |
| 6740430 | Organic luminescence device | Kazunori Ueno, Koichi Suzuki, Hiroshi Tanabe, Seiji Mashimo | 2004-05-25 |