Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833668 | Electroluminescence display device having a desiccant | Tsutomu Yamada | 2004-12-21 |
| 6801181 | Level shifter for use in active matrix display apparatus | Shoichiro Matsumoto, Masahiro Okuyama, Koji Hirosawa | 2004-10-05 |
| 6724149 | Emissive display device and electroluminescence display device with uniform luminance | Ryoichi Yokoyama, Tsutomu Yamada, Ryuji Nishikawa | 2004-04-20 |
| 6690117 | Display device having driven-by-current type emissive element | — | 2004-02-10 |