Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819044 | Thin-film EL device and composite substrate | Masatoshi Takizawa, Minoru Ookoba, Shirou Ootsuki | 2004-11-16 |
| 6809474 | Thin-film EL device, and its fabrication process | — | 2004-10-26 |
| 6803122 | EL device | Masashi Miwa, Katsuto Nagano, Yoshihiko Yano | 2004-10-12 |
| 6793962 | EL phosphor multilayer thin film and EL device | Yoshihiko Yano, Tomoyuki Oike, Katsuto Nagano | 2004-09-21 |
| 6734469 | EL phosphor laminate thin film and EL device | Yoshihiko Yano, Tomoyuki Oike, Katsuto Nagano | 2004-05-11 |
| 6677059 | EL device and making method | Masashi Miwa, Katsuto Nagano | 2004-01-13 |
| 6672922 | Composite substrate preparing method, composite substrate, and EL device | Taku Takeishi | 2004-01-06 |