Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12312317 | Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device | Kei Yoshida, Masatoshi Saito, Masato Nakamura, Masato MITANI, Yoshinori AOYAMA +1 more | 2025-05-27 |
| 12089492 | Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element | Takayasu Sado | 2024-09-10 |
| RE49237 | Organic electroluminescence device and electronic device | Kazuki Nishimura | 2022-10-04 |
| 11374176 | Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element | Takayasu Sado | 2022-06-28 |
| 10573823 | Organic electroluminescent device | Emiko Kambe, Masato Nakamura, Masakazu Funahashi, Hiroshi Yamamoto | 2020-02-25 |
| 10510964 | Compound, organic electroluminescence device material, organic electroluminescence device and electronic device | Takayasu Sado | 2019-12-17 |
| RE47763 | Organic electroluminescence device and electronic device | Kazuki Nishimura | 2019-12-10 |
| 10418563 | Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element | Takayasu Sado | 2019-09-17 |
| 10199580 | Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element | Takayasu Sado | 2019-02-05 |
| 9978975 | Organic electroluminescence device | Emiko Kambe, Masato Nakamura, Masakazu Funahashi, Hiroshi Yamamoto | 2018-05-22 |
| 9923146 | Aromatic amine derivative and organic electroluminescent element using same | Yumiko Mizuki, Masahiro Kawamura | 2018-03-20 |
| 9893296 | Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element | Takayasu Sado | 2018-02-13 |
| 9871206 | Compound, organic electroluminescence device material, organic electroluminescence device and electronic device | Takayasu Sado | 2018-01-16 |
| 9847501 | Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element | Takayasu Sado | 2017-12-19 |
| 9748496 | Nitrogenated heterocyclic derivative, electron-transporting material for organic electroluminescent elements, and organic electroluminescent element using same | Takayasu Sado, Hiroki Ishida | 2017-08-29 |
| 9559311 | Anthracene derivative, organic-electroluminescence-device material, organic electroluminescence device, and electronic equipment | Takayasu Sado | 2017-01-31 |
| 9397307 | Organic electroluminescence device and electronic device | Kazuki Nishimura | 2016-07-19 |
| 9331285 | Aromatic amine derivative and organic electroluminescent element using same | Yumiko Mizuki, Masahiro Kawamura | 2016-05-03 |
| 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 | Takayasu Sado | 2015-12-08 |
| 9126943 | Nitrogenated heterocyclic ring derivative and organic electroluminescent element comprising same | Masahiro Kawamura, Yuichiro Kawamura, Hirokatsu Ito | 2015-09-08 |
| 8883323 | Organic electroluminescence device | Yuichiro Kawamura, Hiroyuki Saito, Hitoshi Kuma, Masahiro Kawamura, Yukitoshi Jinde +2 more | 2014-11-11 |
| 7834182 | Piperidine derivative | Norikazu Ohtake, Ryo Yoshimoto, Shigeru Tokita, Akio Kanatani | 2010-11-16 |
| 7732456 | Pyridone derivative | Norikazu Otake, Yuji Haga, Akira Naya, Akio Kanatani | 2010-06-08 |
| 7547693 | Piperidine derivative | Norikazu Ohtake, Ryo Yoshimoto, Shigeru Tokita, Akio Kanatani | 2009-06-16 |