Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6929870 | Hydrocarbon compounds, materials for organic electroluminescent elements and organic electroluminescent elements | Tsutomu Ishida, Takehiko Shimamura, Masakatsu Nakatsuka | 2005-08-16 |