Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12419155 | Hole-transport layer material, electron-blocking layer material, electron-transport layer material, hole-blocking layer material, light-emitting device, light-emitting apparatus, electronic device, and lighting device | Takeyoshi WATABE, Hiromi Seo, Airi UEDA, Yuta KAWANO, Tomohiro Kubota +3 more | 2025-09-16 |
| 12139446 | Arylamine compound, hole-transport layer material, hole-injection layer material, light-emitting device, light-emitting apparatus, electronic apparatus, and lighting device | Satoshi Seo, Nobuharu Ohsawa, Tomohiro Kubota, Takeyoshi WATABE, Airi UEDA +1 more | 2024-11-12 |
| 12127479 | Light-emitting element, light-emitting device, electronic device, lighting device, and organic compound | Satoshi Seo, Takao Hamada, Tatsuyoshi Takahashi, Hiroki Suzuki, Hideko Inoue | 2024-10-22 |
| 11800799 | Light-emitting element, light-emitting device, electronic device, lighting device, and organic compound | Satoshi Seo, Takao Hamada, Tatsuyoshi Takahashi, Hiroki Suzuki, Hideko Inoue | 2023-10-24 |
| 11552256 | Light-emitting element, light-emitting device, electronic device, lighting device, and organic compound | Satoshi Seo, Takao Hamada, Tatsuyoshi Takahashi, Hiroki Suzuki, Hideko Inoue | 2023-01-10 |
| 11090577 | Purification method and purification apparatus | Sachiko Kawakami, Kanata Abe | 2021-08-17 |
| 10770660 | Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device | Hideko Inoue, Tomoka Hara, Hiromi Seo, Tatsuyoshi Takahashi, Satoshi Seo | 2020-09-08 |
| 10468602 | Heterocyclic compound, light-emitting element, light-emitting device, electronic appliance, and lighting device | Hideko Inoue, Hiromi Seo, Tatsuyoshi Takahashi, Satoshi Seo | 2019-11-05 |
| 10418565 | Light-emitting element, light-emitting device, electronic device, lighting device, and organic compound | Satoshi Seo, Takao Hamada, Tatsuyoshi Takahashi, Hiroki Suzuki, Hideko Inoue | 2019-09-17 |
| 9985218 | Light-emitting element, light-emitting device, electronic device, and lighting device | Harue Osaka, Hiroshi Kadoma, Satoko Shitagaki, Nobuharu Ohsawa, Satoshi Seo | 2018-05-29 |
| 9985221 | Light-emitting element, light-emitting device, electronic device, lighting device, and organic compound | Satoshi Seo, Takao Hamada, Tatsuyoshi Takahashi, Hiroki Suzuki, Hideko Inoue | 2018-05-29 |
| 9960368 | Heterocyclic compound | Hiroshi Kadoma, Satoko Shitagaki, Nobuharu Ohsawa, Satoshi Seo | 2018-05-01 |
| 9923149 | Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device | Hideko Inoue, Tomoka Hara, Hiromi Seo, Tatsuyoshi Takahashi, Satoshi Seo | 2018-03-20 |
| 9825230 | Heterocyclic compound, light-emitting element, light-emitting device, electronic appliance, and lighting device | Hideko Inoue, Hiromi Seo, Tatsuyoshi Takahashi, Satoshi Seo | 2017-11-21 |
| 9695158 | Dibenzo[f,h]quinoxaline derivative, method of synthesizing the same, light-emitting element, light-emitting device, electronic appliance, and lighting device | Hideko Inoue, Tomohiro Kubota, Satoshi Seo, Hayato YAMAWAKI | 2017-07-04 |
| 9570690 | Heterocyclic compound | Hiroshi Kadoma, Satoko Shitagaki, Nobuharu Ohsawa, Satoshi Seo | 2017-02-14 |
| 9368732 | Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device | Hiroshi Kadoma, Satoko Shitagaki, Satoshi Seo, Hiromi Seo, Tatsuyoshi Takahashi | 2016-06-14 |
| 9196844 | Method of synthesizing pyrazine derivative, and light-emitting element, light-emitting device, electronic device, and lighting device | Hideko Inoue, Tomoya Yamaguchi, Hiromi Seo, Satoshi Seo | 2015-11-24 |
| 9178158 | Light-emitting element, light-emitting device, electronic device, lighting device and organic compound | Hiroshi Kadoma, Satoko Shitagaki, Nobuharu Ohsawa, Satoshi Seo | 2015-11-03 |
| 9159934 | Organic material, light-emitting element, light-emitting device, electronic appliance, and lighting device | Hideko Inoue, Takao Hamada, Satoshi Seo, Hiroki Suzuki, Tomohiro Kubota | 2015-10-13 |
| 9133169 | Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device | Harue Osaka, Satoko Shitagaki | 2015-09-15 |
| 9067916 | Heterocyclic compound | Harue Osaka, Satoko Shitagaki | 2015-06-30 |
| 9056856 | Heterocyclic compound | Hiroshi Kadoma, Satoko Shitagaki, Nobuharu Ohsawa, Satoshi Seo | 2015-06-16 |