Issued Patents 2018
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 9871203 | Aromatic amine derivative, organic electroluminescent element and electronic device | Tomoki Kato, Takayasu Sado | 2018-01-16 |