Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9837615 | Nitrogen-containing heterocyclic derivative, organic electroluminescence element material using same, and organic electroluminescence element and electronic device using same | Masahiro Kawamura, Yumiko Mizuki, Tomoharu HAYAMA, Tasuku HAKETA | 2017-12-05 |
| 9818953 | Aromatic amine derivative, material for organic electroluminescent element, and organic electroluminescent element | Yumiko Mizuki | 2017-11-14 |
| 9755156 | Oxygen-containing fused ring amine compound, sulfur-containing fused ring amine compound and organic electroluminescence device | Yoichi Ikeda, Masahiro Kawamura, Hiroyuki Saito, Takeshi Ikeda | 2017-09-05 |
| 9748492 | Organic electroluminescent device | Takeshi Ikeda | 2017-08-29 |
| 9748494 | Compound, material for organic electroluminescence element, organic electroluminescence element, and electronic apparatus | Tomohiro Nagao | 2017-08-29 |
| 9640773 | Aromatic amine derivative and organic electroluminescence element using same | Yumiko Mizuki | 2017-05-02 |
| 9512137 | Organic electroluminescence device | Hiroyuki Saito, Yumiko Mizuki, Masahiro Kawamura, Yuichiro Kawamura | 2016-12-06 |
| 9484540 | Oxygen-containing fused ring derivative and organic electroluminescence device comprising the same | Masahiro Kawamura, Yuichiro Kawamura, Yumiko Mizuki, Hiroyuki Saito | 2016-11-01 |
| 9353027 | Organic electroluminescent element using pyrene derivative | Masahiro Kawamura, Yuichiro Kawamura, Yumiko Mizuki, Hiroyuki Saito | 2016-05-31 |
| 9324950 | Organic electroluminescence device | Yuichiro Kawamura, Hiroyuki Saito, Hitoshi Kuma, Masahiro Kawamura, Yukitoshi Jinde +2 more | 2016-04-26 |
| 9312500 | Organic electroluminescence device | Takeshi Ikeda | 2016-04-12 |
| 9273002 | Benzo[k]fluoranthene derivative and organic electroluminescence device containing the same | Masahiro Kawamura, Yuichiro Kawamura, Yumiko Mizuki, Hiroyuki Saito | 2016-03-01 |
| 9269907 | Aromatic amine derivative and organic electroluminescence device using the same | Yumiko Mizuki, Hiroyuki Saito, Yuichiro Kawamura, Masahiro Kawamura | 2016-02-23 |
| 9126943 | Nitrogenated heterocyclic ring derivative and organic electroluminescent element comprising same | Masahiro Kawamura, Yuichiro Kawamura, Sayaka Mizutani | 2015-09-08 |
| 9099658 | Organic electroluminescence device | Masahiro Kawamura, Toshinari Ogiwara, Yumiko Mizuki | 2015-08-04 |
| 8883323 | Organic electroluminescence device | Yuichiro Kawamura, Hiroyuki Saito, Hitoshi Kuma, Masahiro Kawamura, Yukitoshi Jinde +2 more | 2014-11-11 |
| 8803420 | Organic electroluminescence device | Yuichiro Kawamura, Masahiro Kawamura, Hitoshi Kuma | 2014-08-12 |
| 7829586 | Aryl-substituted nitrogen-containing heterocyclic compounds | Kensuke Kobayashi, Hisashi Ohta, Osamu Okamoto, Satoshi Ozaki, Tomohiro Tsujita | 2010-11-09 |