Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12384965 | Copolymer, electroluminescent device material including copolymer, and electroluminescent device | Tomoyuki Kikuchi, Fumiaki Kato, Masashi Tsuji, Naotoshi Suganuma, Norihito Ishii +4 more | 2025-08-12 |
| 12274162 | Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic apparatus | Masakazu Funahashi | 2025-04-08 |
| 12173114 | Copolymer, electroluminescence device material including copolymer, and electroluminescence device | Norihito Ishii, Masashi Tsuji, Naotoshi Suganuma, Yusaku KONISHI, Dae Young CHUNG +6 more | 2024-12-24 |
| 12063851 | Nitrogenated aromatic heterocyclic derivative and organic electroluminescent element using same | Tomoki Kato, Nobuhiro Yabunouchi | 2024-08-13 |
| 11997917 | Quantum dot electroluminescence device | Yusaku KONISHI, Fumiaki Kato, Keigo FURUTA, Kiyohiko Tsutsumi, Masashi Tsuji +1 more | 2024-05-28 |
| 11974494 | Polymer compound, composition including the polymer compound, light-emitting device including the polymer compound | Keisuke KORAI, Katsunori Shibata, Daeyoung Chung, Eunjoo Jang, Taehyung Kim | 2024-04-30 |
| 11939422 | Copolymer, electroluminescence device material including copolymer, and electroluminescence device | Masashi Tsuji, Fumiaki Kato, Naotoshi Suganuma, Yusaku KONISHI, Dae Young CHUNG +3 more | 2024-03-26 |
| 11917899 | Arylamine-fluorene alternating copolymer, electroluminescence device material, and electroluminescence device using the polymer | Masashi Tsuji, Yusaku KONISHI, Dae Young CHUNG, Fumiaki Kato, Jaejun Chang +7 more | 2024-02-27 |
| 11910697 | Copolymer, electroluminescence device material including copolymer, and electroluminescence device | Fumiaki Kato, Masashi Tsuji, Takao Motoyama, Yusaku KONISHI, Keigo FURUTA +5 more | 2024-02-20 |
| 11758800 | Polymer material, material for electroluminescence device, liquid composition, thin film, and electroluminescence device | Fumiaki Kato, Keigo FURUTA, Masashi Tsuji, Takao Motoyama, Yusaku KONISHI | 2023-09-12 |
| 11631815 | Quantum dot electroluminescence device | Yusaku KONISHI, Fumiaki Kato, Keigo FURUTA, Kiyohiko Tsutsumi, Masashi Tsuji +1 more | 2023-04-18 |
| 11616200 | Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic apparatus | Masakazu Funahashi | 2023-03-28 |
| 11444246 | Aromatic amine derivative, and organic electroluminescent element using same | Tomoki Kato, Takayasu Sado | 2022-09-13 |
| 11411188 | Arylamine polymer including silicone, and electroluminescence device material and electroluminescence device using the polymer | Fumiaki Kato, Masashi Tsuji, Keigo FURUTA, Takao Motoyama, Yusaku KONISHI | 2022-08-09 |
| 11362279 | Aromatic amine derivative, and organic electroluminescent element using same | Tomoki Kato, Takayasu Sado | 2022-06-14 |
| 10985325 | Aromatic amine derivative, and organic electroluminescent element using same | Tomoki Kato, Takayasu Sado | 2021-04-20 |
| 10944057 | Compound, material for organic electroluminescence devices, organic electroluminescence device, and electronic equipment | Tomoki Kato, Nobuhiro Yabunouchi, Masakazu Funahashi | 2021-03-09 |
| 10854822 | Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device | Tomoki Kato, Nobuhiro Yabunouchi, Masakazu Funahashi | 2020-12-01 |
| 10756275 | Compound, material for organic electroluminescence devices, organic electroluminescence device, and electronic equipment | Tomoki Kato, Nobuhiro Yabunouchi, Masakazu Funahashi | 2020-08-25 |
| 10516112 | Compound, organic electroluminescent element material, organic electroluminescent element, and electronic device | Tomoki Kato, Nobuhiro Yabunouchi, Masakazu Funahashi | 2019-12-24 |
| 10411192 | Aromatic amine compound, organic electroluminescent element and electronic device | Tomoki Kato, Masakazu Funahashi | 2019-09-10 |
| 10043977 | Nitrogenated aromatic heterocyclic derivative, and organic electroluminescent element using same | Tomoki Kato, Nobuhiro Yabunouchi | 2018-08-07 |
| 10014477 | Aromatic amine derivative, and organic electroluminescent element using same | Tomoki Kato, Takayasu Sado | 2018-07-03 |
| 9966539 | Organic electroluminescence device | Tomoki Kato, Takayasu Sado | 2018-05-08 |
| 9882134 | Polymer compound, material for organic electroluminescence element using same, and organic electroluminescence element | Tomoki Kato, Masakazu Funahashi | 2018-01-30 |