Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12089492 | Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element | Sayaka Mizutani | 2024-09-10 |
| 11456432 | Top emission organic electroluminescent element, organic electroluminescent light emitting device, and electronic device | Tetsuya Masuda, Yoshiaki Takahashi, Emiko Kambe | 2022-09-27 |
| 11444246 | Aromatic amine derivative, and organic electroluminescent element using same | Tomoki Kato, Takahiro Fujiyama | 2022-09-13 |
| 11374176 | Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element | Sayaka Mizutani | 2022-06-28 |
| 11362279 | Aromatic amine derivative, and organic electroluminescent element using same | Tomoki Kato, Takahiro Fujiyama | 2022-06-14 |
| 10985325 | Aromatic amine derivative, and organic electroluminescent element using same | Tomoki Kato, Takahiro Fujiyama | 2021-04-20 |
| 10510964 | Compound, organic electroluminescence device material, organic electroluminescence device and electronic device | Sayaka Mizutani | 2019-12-17 |
| 10418563 | Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element | Sayaka Mizutani | 2019-09-17 |
| 10230057 | Biscarbazole derivatives and organic electroluminescence device employing the same | Tetsuya Inoue, Mitsunori Ito, Tomoki Kato, Kumiko Gorai, Kazuki Nishimura | 2019-03-12 |
| 10199580 | Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element | Sayaka Mizutani | 2019-02-05 |
| 10014477 | Aromatic amine derivative, and organic electroluminescent element using same | Tomoki Kato, Takahiro Fujiyama | 2018-07-03 |
| 9966539 | Organic electroluminescence device | Tomoki Kato, Takahiro Fujiyama | 2018-05-08 |
| 9893296 | Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element | Sayaka Mizutani | 2018-02-13 |
| 9871203 | Aromatic amine derivative, organic electroluminescent element and electronic device | Tomoki Kato, Takahiro Fujiyama | 2018-01-16 |
| 9871206 | Compound, organic electroluminescence device material, organic electroluminescence device and electronic device | Sayaka Mizutani | 2018-01-16 |
| 9847501 | Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element | Sayaka Mizutani | 2017-12-19 |
| 9818958 | Biscarbazole derivatives and organic electroluminescence device employing the same | Tetsuya Inoue, Mitsunori Ito, Tomoki Kato, Kumiko Gorai, Kazuki Nishimura | 2017-11-14 |
| 9748496 | Nitrogenated heterocyclic derivative, electron-transporting material for organic electroluminescent elements, and organic electroluminescent element using same | Sayaka Mizutani, Hiroki Ishida | 2017-08-29 |
| 9559311 | Anthracene derivative, organic-electroluminescence-device material, organic electroluminescence device, and electronic equipment | Sayaka Mizutani | 2017-01-31 |
| 9373802 | Biscarbazole derivatives and organic electroluminescence device employing the same | Tetsuya Inoue, Mitsunori Ito, Tomoki Kato, Kumiko Gorai, Kazuki Nishimura | 2016-06-21 |
| 9324950 | Organic electroluminescence device | Yuichiro Kawamura, Hiroyuki Saito, Hitoshi Kuma, Masahiro Kawamura, Yukitoshi Jinde +2 more | 2016-04-26 |
| 9209406 | Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element | Sayaka Mizutani | 2015-12-08 |
| 9196842 | Aromatic amine derivative and organic electroluminescent element | Tomoki Kato, Takahiro Fujiyama | 2015-11-24 |
| 9082986 | Organic electroluminescent element | Tomoki Kato, Nobuhiro Yabunouchi | 2015-07-14 |
| 8883323 | Organic electroluminescence device | Yuichiro Kawamura, Hiroyuki Saito, Hitoshi Kuma, Masahiro Kawamura, Yukitoshi Jinde +2 more | 2014-11-11 |