Issued Patents All Time
Showing 1–25 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12281248 | Organic light-emitting element using polycyclic aromatic derivative compound | Sung-Hoon JOO, Byung-sun YANG, Su Jin Kim, Ji Hwan Kim, Hyeon-jun JO +6 more | 2025-04-22 |
| 12219872 | Organic electroluminescent element | Yuta HIRAYAMA, Takeshi Yamamoto, Shunji Mochizuki, Se-Jin Lee, Oun-Gyu Lee +1 more | 2025-02-04 |
| 12102002 | Compound having benzazole ring structure, and organic electroluminescent device | Kouki KASE, Si-In KIM, Ji-Yung KIM, Yuta HIRAYAMA, Kazuyuki SURUGA | 2024-09-24 |
| 12089488 | Organic electroluminescent device | Norimasa Yokoyama, Shigeru Kusano | 2024-09-10 |
| 11997870 | Organic electroluminescent element and method for producing same | Kouki KASE, Takeshi Yamamoto, Kazuyuki SURUGA, Shunji Mochizuki | 2024-05-28 |
| 11980092 | Organic electroluminescence element | Yuta HIRAYAMA, Shunji Mochizuki, Takeshi Yamamoto, Young Hwan Park | 2024-05-07 |
| 11974499 | Organic EL device, amine compound having benzazole ring structure, and method in which said amine compound is used in capping layer of organic EL device | Kouki KASE, Takeshi Yamamoto, Shunji Mochizuki | 2024-04-30 |
| 11944004 | Organic electroluminescence element | Norimasa Yokoyama, Naoaki Kabasawa, Takeshi Yamamoto | 2024-03-26 |
| 11925107 | Organic electroluminescent device | Kazuyuki SURUGA, Takeshi Yamamoto, Kouki KASE, Shunji Mochizuki | 2024-03-05 |
| 11706943 | Organic electroluminescent element and method for producing same | Kouki KASE, Takeshi Yamamoto, Kazuyuki SURUGA, Shunji Mochizuki | 2023-07-18 |
| 11594683 | Organic electroluminescent device | Naoaki Kabasawa, Takeshi Yamamoto, Hideyoshi Kitahara | 2023-02-28 |
| 11217754 | Organic electroluminescence device | Naoaki Kabasawa, Shunji Mochiduki, Se-Jin Lee, Oun-Gyu Lee, Bong-ki SHIN | 2022-01-04 |
| 11158813 | Organic electroluminescent device | Naoaki Kabasawa, Kazuyuki SURUGA, Shunji Mochizuki | 2021-10-26 |
| 11158811 | Organic electroluminescent device | Naoaki Kabasawa, Daizou Kanda, Shunji Mochizuki, Soon-Wook Cha, Sang Woo Park +2 more | 2021-10-26 |
| 11056653 | Organic electroluminescence device | Norimasa Yokoyama, Naoaki Kabasawa, Takeshi Yamamoto | 2021-07-06 |
| 10950797 | Organic electroluminescent device | Naoaki Kabasawa, Keigo Naito | 2021-03-16 |
| 10892420 | Organic electroluminescent device | Naoaki Kabasawa, Soon-Wook Cha, Sang Woo Park, Ju-man Song, Kyung-seok Jeon | 2021-01-12 |
| 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 |
| 10505119 | Organic electroluminescence device | Norimasa Yokoyama, Takeshi Yamamoto, Naoaki Kabasawa, Daizo Kanda, Shunji Mochiduki +3 more | 2019-12-10 |