Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6921589 | Electroluminescent elements | Tsuyoshi Tominaga, Daisuke Kitazawa, Yoshio Himeshima | 2005-07-26 |
| 6878209 | Organic electroluminescent device | Yoshio Himeshima, Shigeo Fujimori | 2005-04-12 |