Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833667 | Organic electroluminescence element and image forming apparatus or portable terminal unit using thereof | Takafumi HAMANO, Naohide Wakita, Hiroshi Yamaguchi, Tomohiko Sasano, Yasuhiro Tanaka | 2004-12-21 |
| 6682832 | Thin film el device | Tetsuya Satou, Mikiko Matsuo, Hitoshi Hisada, Ryuichi Shingae, Yoshinobu Murakami | 2004-01-27 |