Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821647 | Phosphor thin film preparation method, and EL panel | Yoshihiko Yano | 2004-11-23 |
| 6793962 | EL phosphor multilayer thin film and EL device | Yoshihiko Yano, Yukihiko Shirakawa, Katsuto Nagano | 2004-09-21 |
| 6734469 | EL phosphor laminate thin film and EL device | Yoshihiko Yano, Yukihiko Shirakawa, Katsuto Nagano | 2004-05-11 |