Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11844229 | Electroluminescent element, and light emitting device, display device and lighting device each using organic electroluminescent element | Koji Takaku, Wataru Sotoyama, Yasunori Yonekuta, Toshihiro Ise, Saki Takada +1 more | 2023-12-12 |
| 11744144 | Organic electroluminescent element, light-emitting material therefor, light emitting device, display device, and illumination device | Toru Watanabe, Yuki HIRAI, Tianhua Ouyang, Koji Takaku, Wataru Sotoyama +1 more | 2023-08-29 |
| 11563178 | Organic electroluminescent element, compound for use in the element, and light emitting device, display device, and illumination device using the element | Koji Takaku, Yasunori Yonekuta, Wataru Sotoyama, Katsuyuki Youfu, Yuki HIRAI +2 more | 2023-01-24 |