Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11600786 | Organic electroluminescent element | Junya Ogawa, Takahiro Kai, Yuji IKENAGA, Mitsuru Sakai, Masashi Tada +2 more | 2023-03-07 |
| 9312496 | Organic electroluminescent element | Yuichi Sawada, Megumi Matsumoto | 2016-04-12 |
| 9118028 | Organic electroluminescent device | Yuichi Sawada, Megumi Matsumoto | 2015-08-25 |
| 8766249 | Nitrogenated aromatic compound, organic semiconductor material, and organic electronic device | Yuichi Sawada, Megumi Matsumoto | 2014-07-01 |
| 8766248 | Nitrogen-containing aromatic compound, organic semiconductor material, and organic electronic device | Yuichi Sawada, Atsushi Kawada, Masana Jikumaru, Megumi Matsumoto | 2014-07-01 |
| 8227798 | Compound for organic electroluminescent device and organic electroluminescent device | Takahiro Kai, Toshihiro Yamamoto, Junya Ogawa | 2012-07-24 |
| 8012606 | Heterocyclic compound and organic electroluminescent device using the same | Takahiro Kai, Toshihiro Yamamoto, Masaki Komori, Yuichi Sawada | 2011-09-06 |
| 7993760 | Compound for use in organic electroluminescent device and organic electroluminescent device | Masaki Komori, Toshihiro Yamamoto, Takahiro Kai | 2011-08-09 |