Issued Patents 2020
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10818844 | Organic electroluminescent device | Norimasa Yokoyama, Takeshi Yamamoto, Hideyoshi Kitahara | 2020-10-27 |
| 10693078 | Organic electroluminescent device | Daizou Kanda, Soon-Wook Cha, Sang Woo Park, Ju-man Song, Kyung-seok Jeon | 2020-06-23 |
| 10593884 | Organic electroluminescent device | Norimasa Yokoyama, Takeshi Yamamoto, Naoaki Kabasawa, Daizou Kanda, Kazunori Togashi +1 more | 2020-03-17 |
| 10566543 | Pyrimidine derivative and organic electroluminescent devices | Norimasa Yokoyama, Hideyoshi Kitahara, Sung Keum Choi, Si-In KIM, Ji-Yung KIM +1 more | 2020-02-18 |
| 10566540 | Organic electroluminescent device | Hideyoshi Kitahara, Takeshi Yamamoto, Daizou Kanda, Naoaki Kabasawa, Soon-Wook Cha +3 more | 2020-02-18 |
| 10559759 | Organic electroluminescent device | Naoaki Kabasawa, Shunji Mochiduki | 2020-02-11 |
| 10541369 | Compound having substituted bipyridyl group and pyridoinodole ring structure, and organic electroluminescent device | Norimasa Yokoyama, Daizou Kanda, Eiji Takahashi | 2020-01-21 |