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 | Hisanori Sugiura, Naohide Wakita, Hiroshi Yamaguchi, Tomohiko Sasano, Yasuhiro Tanaka | 2004-12-21 |
| 6791260 | Organic electroluminescent element, panel and apparatus using the same | Takahiro Komatsu, Akira Gyotoku, Shinichiro Kaneko | 2004-09-14 |