Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12365683 | Light emitting device and fused polycyclic compound for light emitting device | Yuuki MIYAZAKI, In Seob PARK, Hyukgi Min | 2025-07-22 |
| 12178123 | Organic electroluminescence device and compound for organic electroluminescence device | Yuuki MIYAZAKI, Yuji SUZAKI, In Seob PARK, Jong Uk Kim, Hyukgi Min | 2024-12-24 |
| 12122768 | Benzonitrile derivative, light-emitting material, and light-emitting element using same | In Seob PARK, Katsunori Tanaka, Yasuhiro Miyashita, Yasuhiko ASHIKARI | 2024-10-22 |
| 11950503 | Organic material and photoelectric conversion element | Ryota Arai, Seiichi Furukawa, Narumi SATO | 2024-04-02 |
| 11545631 | Organic electroluminescence device and polycyclic compound for organic electroluminescence device | Yuuki MIYAZAKI, Yoshimasa Fujita, Kyohei Matsuo | 2023-01-03 |
| 11283026 | Compound having tetraazatriphenylene ring structure, light-emitting material, and organic electroluminescent device | Chihaya Adachi, Katsuyuki Shizu, Takehiro Takahashi | 2022-03-22 |
| 11279680 | Dicyano N-heterocyclic compound, light-emitting material, and light-emitting element in which same is used | Ryuhei FURUE, Hiroyuki Ishihara, Yukio Fukushima | 2022-03-22 |
| 10934248 | Light-emitting material, organic light-emitting device, and compound | Chihaya Adachi, Ryosuke Kondo, Masaki Numata, Jun-Yun KIM, Inseob Park | 2021-03-02 |
| 10916711 | Spiro compound having azafluorene ring structure, light-emitting material, and organic electroluminescent device | Chihaya Adachi, Tetsuya Nakagawa, Katsuyuki Shizu, Hiroshi Ookuma | 2021-02-09 |
| 10714693 | Polycyclic compound and organic electroluminescence device including the same | Hiromi Nakano, Shuri Sato, Yoshimasa Fujita, Nobutaka Akashi, Jiyoung Lee | 2020-07-14 |
| 10686139 | Nitrogen-containing compound and organic electroluminescence device including the same | Hiromi Nakano, Shuri Sato, Yoshimasa Fujita, Nobutaka Akashi, Inseob Park | 2020-06-16 |
| 10629826 | Organic compound and photoelectric conversion element | Ryota Arai, Yu Hidaka, Woong Shin | 2020-04-21 |
| 10522763 | Dicyanopyrazine compound, luminescent material, luminescence device using the same, and method for producing 2,5-dicyano-3,6-dihalogenopyrazine | In Seob PARK, Yu Seok Yang, Hiroshi Sumiya, Yukio Fukushima | 2019-12-31 |
| 10497883 | Organic light-emitting device, host material, light-emitting material, and compound | Chihaya Adachi, Takuro Nishimoto, Sae Youn Lee | 2019-12-03 |
| 10497878 | Dicyanopyrazine compound, luminescent material, luminescence device using the same, and method for producing 2,5-dicyano-3,6-dihalogenopyrazine | In Seob PARK, Yu Seok Yang, Hiroshi Sumiya, Yukio Fukushima | 2019-12-03 |
| 10399960 | Dicyanopyrazine compound, luminescent material, luminescence device using the same, and method for producing 2,5-dicyano-3,6-dihalogenopyrazine | In Seob PARK, Yu Seok Yang, Hiroshi Sumiya, Yukio Fukushima | 2019-09-03 |
| 10381573 | Light-emitting material, organic light-emitting device, and compound | Chihaya Adachi, Ryosuke Kondo, Masaki Numata, Jun-Yun KIM, Inseob Park | 2019-08-13 |
| 10276803 | Organic light-emitting device, and light-emitting material and compound used therefor | Chihaya Adachi, Hiroki Uoyama, Hiroko Nomura, Kenichi Goushi, Ryosuke Kondo +3 more | 2019-04-30 |
| 10062854 | Organic material and photoelectric conversion element | Ryota Arai, Woong Shin, Hideaki Komiyama, Yu Hidaka, Takahiro To +1 more | 2018-08-28 |
| 10032995 | Compound having diazatriphenylene ring structure, and organic electroluminescent device | Chihaya Adachi, Katsuyuki Shizu, Takehiro Takahashi, Kazunori Togashi | 2018-07-24 |
| 9685615 | Light emitting material, delayed fluorescent emitter, organic light emitting device, and compound | Masaki Numata, Jiyoung Lee, Asuka YOSHIZAKI, Chihaya Adachi | 2017-06-20 |
| 9634262 | Charge transport material, host material, thin film and organic light emitting element | Chihaya Adachi, Takuro Nishimoto, Saeyoun LEE | 2017-04-25 |
| 9502668 | Organic light-emitting device, and light-emitting material and compound used therefor | Chihaya Adachi, Hiroki Uoyama, Hiroko Nomura, Kenichi Goushi, Ryosuke Kondo +3 more | 2016-11-22 |
| 9246110 | Organic material and photoelectric conversion element | Ryota Arai, Yu Hidaka, Woong Shin, Chihaya Adachi | 2016-01-26 |
| 9153788 | Organic light-emitting device, and delayed fluorescent material and compound used therefor | Chihaya Adachi, Saeyoun LEE, Hiroko Nomura, Tetsuya Nakagawa | 2015-10-06 |