Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9543526 | Nitrogen-containing aromatic compounds and organic electroluminescent device | Hiroyuki Hayashida, Mitsuru Sakai, Masashi Niina, Kazuto Shiraishi, Kazuaki Yoshimura | 2017-01-10 |
| 9343685 | Organic electroluminescent element | Takahiro Kai, Masaki Komori, Toshihiro Yamamoto, Tohru Asari, Megumi Matsumoto | 2016-05-17 |
| 9290692 | Polymer light-emitting material, method for producing the same, and organic electroluminescent device | Hiroshige Tanaka, Kazuto Shiraishi, Tohru Asari, Hiroyuki Hayashida, Kazuaki Yoshimura | 2016-03-22 |
| 8945726 | Polymer for organic electroluminescent element, and organic electroluminescent element using the same | Hiroshige Tanaka, Tohru Asari, Kazuto Shiraishi, Hiroyuki Hayashida, Yasushi KOISHIKAWA +1 more | 2015-02-03 |