Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11793069 | Electron-accepting compound and composition for charge-transporting film, and luminescent element using same | Hideki Gorohmaru, Kazuki Okabe, Koichiro Iida, Tomokazu Umemoto, Koichi Ishibashi +2 more | 2023-10-17 |
| 11316112 | Electron-accepting compound and composition for charge-transporting film, and luminescent element using same | Hideki Gorohmaru, Kazuki Okabe, Koichiro Iida, Tomokazu Umemoto, Koichi Ishibashi +2 more | 2022-04-26 |
| 9385334 | Organic electroluminescence light-emitting device and production method thereof | Keiko Saitou, Atsushi Takahashi, Hideaki Okamoto | 2016-07-05 |
| 8927326 | Organic electroluminescence element, production method thereof, organic EL display device, organic EL lighting, and apparatus for producing organic electroluminescence element | Takeshi Nakatsuka, Kiyoshi Sugiyama | 2015-01-06 |