Issued Patents 2025
Showing 1–8 of 8 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, Yuta KAWANO, Tomohiro Kubota, Yasushi Kitano +3 more | 2025-09-16 |
| 12389739 | Light-emitting device, display device, light-emitting apparatus, electronic device, and lighting device | Takeyoshi WATABE, Yuta KAWANO, Nobuharu Ohsawa, Satoshi Seo | 2025-08-12 |
| 12364115 | Light-emitting device, light-emitting apparatus, electronic device, and lighting device | Takeyoshi WATABE, Nobuharu Ohsawa, Satoshi Seo | 2025-07-15 |
| 12356791 | Light-emitting device, electronic device, and lighting device | Shunpei Yamazaki, Takeyoshi WATABE, Tomohiro Kubota, Satoshi Seo, Nobuharu Ohsawa +1 more | 2025-07-08 |
| 12349538 | Light-emitting device, display device, light-emitting apparatus, electronic device, and lighting device | Takeyoshi WATABE, Yuta KAWANO, Nobuharu Ohsawa, Satoshi Seo | 2025-07-01 |
| 12302688 | Light-emitting device comprising charge-generation layer between light-emitting units | Takeyoshi WATABE, Nobuharu Ohsawa, Satoshi Seo | 2025-05-13 |
| 12232342 | Organic semiconductor device, organic el device, photodiode sensor, display device, light-emitting apparatus, electronic device, and lighting device | Hiromi Seo, Takeyoshi WATABE, Yuta KAWANO, Nobuharu Ohsawa, Hiromitsu KIDO +1 more | 2025-02-18 |
| 12225812 | Organic compound, light-emitting device, light-emitting apparatus, electronic device, and lighting device | Tomohiro Kubota, Takao TOSU, Takeyoshi WATABE, Yuta KAWANO, Nobuharu Ohsawa +1 more | 2025-02-11 |