Issued Patents 2004
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821647 | Phosphor thin film preparation method, and EL panel | Tomoyuki Oike | 2004-11-23 |
| 6803122 | EL device | Yukihiko Shirakawa, Masashi Miwa, Katsuto Nagano | 2004-10-12 |
| 6797413 | Composite substrate and EL device using the same | Taku Takeishi, Katsuto Nagano, Suguru Takayama | 2004-09-28 |
| 6793962 | EL phosphor multilayer thin film and EL device | Tomoyuki Oike, Yukihiko Shirakawa, Katsuto Nagano | 2004-09-21 |
| 6781304 | EL panel | Jun Hirabayashi, Katsuto Nagano, Mutsuko Nakano | 2004-08-24 |
| 6761835 | Phosphor multilayer and EL panel | Katsuto Nagano | 2004-07-13 |
| 6734469 | EL phosphor laminate thin film and EL device | Tomoyuki Oike, Yukihiko Shirakawa, Katsuto Nagano | 2004-05-11 |
| 6709776 | Multilayer thin film and its fabrication process as well as electron device | Takao Noguchi, Hisatoshi Saitou, Hidenori Abe | 2004-03-23 |
| 6699596 | Phosphor thin film, preparation method, and EL panel | Katsuto Nagano | 2004-03-02 |