Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6617785 | Electroluminescence display unit and method of fabricating the same | Tatsuro Usuki, Kiyoshi Yoneda, Haruhisa Hashimoto, Hisao Haku | 2003-09-09 |
| 6580214 | Color display apparatus having electroluminescence elements | Kiyoshi Yoneda | 2003-06-17 |