Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821648 | Electroluminescent element | Junji Kido, Hiroyoshi Fukuro | 2004-11-23 |
| 6822069 | Poly (5-aminoquinoxalines) and use thereof | Yukio Nagasaki, Katsumi Chikama, Hisae Miyamoto | 2004-11-23 |