Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8062769 | Indolocarbazole compound for use in organic electroluminescent device and organic electroluminescent device | Takahiro Kai, Toshihiro Yamamoto | 2011-11-22 |
| 8012606 | Heterocyclic compound and organic electroluminescent device using the same | Takahiro Kai, Toshihiro Yamamoto, Masanori Hotta, Yuichi Sawada | 2011-09-06 |
| 8013330 | Compound for organic electroluminescent device and organic electroluminescent device | Toshihiro Yamamoto, Takahiro Kai, Katsuhide Noguchi, Hiroshi Miyazaki | 2011-09-06 |
| 8008657 | Compound for organic electroluminescent device and organic electroluminescent device | Takahiro Kai, Toshihiro Yamamoto, Katsuhide Noguchi, Hiroshi Miyazaki | 2011-08-30 |
| 7993760 | Compound for use in organic electroluminescent device and organic electroluminescent device | Toshihiro Yamamoto, Takahiro Kai, Masanori Hotta | 2011-08-09 |