Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7982213 | Phenanthroline compound and organic light emitting device using same | Maki Okajima, Takao Takiguchi, Koichi Suzuki, Akihiro Senoo, Toshinori Hasegawa +1 more | 2011-07-19 |