Issued Patents All Time
Showing 26–50 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10205099 | Condensed fluoranthene compound, organic electroluminescence element material including same, organic electroluminescence element using same, and electronic device | Masahiro Kawamura, Hirokatsu Ito, Tomoharu HAYAMA, Tasuku HAKETA | 2019-02-12 |
| 10186665 | Organic electroluminescent element | Masahiro Kawamura, Toshinari Ogiwara, Hitoshi Kuma | 2019-01-22 |
| 10118889 | Compound | Hirokatsu Ito, Masahiro Kawamura, Tasuku HAKETA, Tomoharu HAYAMA, Ryota Takahashi | 2018-11-06 |
| 10056558 | Aromatic amine derivative, material for organic electroluminescent element, and organic electroluminescent element | Hirokatsu Ito | 2018-08-21 |
| RE46974 | Organic electroluminescence device | Kazuki Nishimura, Tetsuya Inoue, Nobuhiro Yabunouchi, Mitsuru Eida | 2018-07-31 |
| 10014476 | Pyrene derivative, organic light-emitting medium, and organic electroluminescent element containing pyrene derivative or organic light-emitting medium | Hirokatsu Ito, Takeshi Ikeda, Hiroyuki Saito, Masahiro Kawamura, Yuichiro Kawamura | 2018-07-03 |
| 9997719 | Material for organic electroluminescence device and organic electroluminescence device | Nobuhiro Yabunouchi, Takushi SHIOMI, Kazuki Nishimura, Mitsuru Eida | 2018-06-12 |
| 9991455 | Amine compound and organic electroluminescent element | Hirokatsu Ito, Tasuku HAKETA, Tomoharu HAYAMA, Masahiro Kawamura | 2018-06-05 |
| 9991445 | Heterocyclic compound, material for organic electroluminescence device including the same, and organic electroluminescence device and electronic equipment employing the same | Tasuku HAKETA, Masahiro Kawamura, Kazuki Nishimura, Hirokatsu Ito, Tomoharu HAYAMA | 2018-06-05 |
| 9963429 | Carbazole derivative, material for organic electroluminescent element which comprises same, and organic electroluminescent element and electronic device each manufactured using same | Hirokatsu Ito, Tasuku HAKETA, Tomoharu HAYAMA, Kazuki Nishimura, Masahiro Kawamura +1 more | 2018-05-08 |
| 9947879 | Anthracene derivative and organic electroluminescence element using same | Hirokatsu Ito, Hiroyuki Saito, Masahiro Kawamura | 2018-04-17 |
| 9923146 | Aromatic amine derivative and organic electroluminescent element using same | Masahiro Kawamura, Sayaka Mizutani | 2018-03-20 |
| 9905779 | Organic electroluminescent element and electronic device | Toshinari Ogiwara, Kei Yoshida, Ryohei Hashimoto | 2018-02-27 |
| 9902687 | Compound | Hirokatsu Ito, Masahiro Kawamura, Tasuku HAKETA, Tomoharu HAYAMA, Ryota Takahashi | 2018-02-27 |
| 9887367 | Heterocyclic compound, material for organic electroluminescent elements using same, organic electroluminescent element using same, and electronic device | Tasuku HAKETA, Masahiro Kawamura, Kazuki Nishimura | 2018-02-06 |
| 9882144 | Organic electroluminescent element | Masahiro Kawamura, Toshinari Ogiwara, Hitoshi Kuma | 2018-01-30 |
| 9837615 | Nitrogen-containing heterocyclic derivative, organic electroluminescence element material using same, and organic electroluminescence element and electronic device using same | Masahiro Kawamura, Hirokatsu Ito, Tomoharu HAYAMA, Tasuku HAKETA | 2017-12-05 |
| 9818953 | Aromatic amine derivative, material for organic electroluminescent element, and organic electroluminescent element | Hirokatsu Ito | 2017-11-14 |
| 9741938 | Aromatic amine derivative, and organic electroluminescent element comprising the same | Masakazu Funahashi, Masahiro Kawamura | 2017-08-22 |
| 9640773 | Aromatic amine derivative and organic electroluminescence element using same | Hirokatsu Ito | 2017-05-02 |
| 9530969 | Material for organic electroluminescence device and organic electroluminescence device | Mitsunori Ito, Tetsuya Inoue, Kumiko Hibino, Kazuki Nishimura | 2016-12-27 |
| 9512137 | Organic electroluminescence device | Hirokatsu Ito, Hiroyuki Saito, Masahiro Kawamura, Yuichiro Kawamura | 2016-12-06 |
| 9502667 | Organic electroluminescence | Masatoshi Saito, Kazuki Nishimura | 2016-11-22 |
| 9484540 | Oxygen-containing fused ring derivative and organic electroluminescence device comprising the same | Hirokatsu Ito, Masahiro Kawamura, Yuichiro Kawamura, Hiroyuki Saito | 2016-11-01 |
| 9466800 | Aromatic amine derivative, and organic electroluminescent element comprising the same | Masakazu Funahashi, Masahiro Kawamura | 2016-10-11 |