Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12221430 | Compound having pyrimidine ring structure and organic electroluminescence device | Si-In KIM, Yuta HIRAYAMA, Kazuyuki SURUGA | 2025-02-11 |
| 12102002 | Compound having benzazole ring structure, and organic electroluminescent device | Si-In KIM, Ji-Yung KIM, Yuta HIRAYAMA, Kazuyuki SURUGA, Shuichi Hayashi | 2024-09-24 |
| 12037332 | Compound including benzimidazole ring structure and organic electroluminescent element | Su Jin Lee, Si-In KIM, Kazuyuki SURUGA, Yuta HIRAYAMA | 2024-07-16 |
| 12024527 | Compound having azabenzoxazole ring structure and organic electroluminescent element | Si-In KIM, Ji-Yung KIM, Yuta HIRAYAMA | 2024-07-02 |
| 11997870 | Organic electroluminescent element and method for producing same | Takeshi Yamamoto, Kazuyuki SURUGA, Shunji Mochizuki, Shuichi Hayashi | 2024-05-28 |
| 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 | Takeshi Yamamoto, Shunji Mochizuki, Shuichi Hayashi | 2024-04-30 |
| 11925107 | Organic electroluminescent device | Kazuyuki SURUGA, Shuichi Hayashi, Takeshi Yamamoto, Shunji Mochizuki | 2024-03-05 |
| 11925108 | Compound having triarylamine structure and organic electroluminescence device | Takuya Uehara, Kyung-Hwa Park, Yuta HIRAYAMA | 2024-03-05 |
| 11706943 | Organic electroluminescent element and method for producing same | Takeshi Yamamoto, Kazuyuki SURUGA, Shunji Mochizuki, Shuichi Hayashi | 2023-07-18 |
| 11578065 | Organic electroluminescence device | Kazuyuki SURUGA, Takeshi Yamamoto, Shunji Mochizuki | 2023-02-14 |
| 11437583 | Organic electroluminescence device that includes compound having benzoazole structure | Naoaki Kabasawa, Shunji Mochizuki, Kazuyuki SURUGA | 2022-09-06 |
| 11407709 | Aryldiamine compound and organic electroluminescent element | Takeshi Yamamoto, Shunji Mochiduki | 2022-08-09 |
| 9837620 | Benzopyridoindole derivative and organic electroluminescent element | Makoto Nagaoka, Shigeru Kusano, Teruaki Koizumi | 2017-12-05 |
| 9196837 | Compound having indenocarbazole ring structure, and organic electroluminescent device | Norimasa Yokoyama, Makoto Nagaoka, Kazunori Togashi, Eiji Takahashi | 2015-11-24 |
| 9196839 | Compound having triphenylamine structure, and organic electroluminescent device | Norimasa Yokoyama, Makoto Nagaoka, Shingo Ozawa, Shigeru Kusano | 2015-11-24 |
| 8748014 | Compound having a substituted anthracene ring structure and pyridoindole ring structure, and organic electroluminescent device | Norimasa Yokoyama, Shuichi Hayashi, Hiroshi Ohkuma, Eiji Takahashi, Daizou Kanda | 2014-06-10 |