Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9978952 | Fused heterocyclic aromatic derivative, organic electroluminescence element material, and organic electroluminescence element using same | Yuki Nakano, Kei Yoshida, Hideaki Nagashima | 2018-05-22 |
| 9960364 | Ladder compound, and organic electroluminescent element using same | Yuki Nakano, Kei Yoshida | 2018-05-01 |
| 9947876 | Organic electroluminescence device and electronic device | Yuichiro Kawamura, Toshinari Ogiwara | 2018-04-17 |
| 9905779 | Organic electroluminescent element and electronic device | Toshinari Ogiwara, Kei Yoshida, Yumiko Mizuki | 2018-02-27 |