Issued Patents 2025
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421450 | Compounds, materials for organic electroluminescent devices, organic electroluminescent devices, and electronic devices | Keiichi YASUKAWA, Hisato MATSUMOTO, Toshinari Ogiwara | 2025-09-23 |
| 12302757 | Organic electroluminescence element and electronic device | Takushi SHIOMI, Toshinari Ogiwara | 2025-05-13 |
| 12289995 | Compound, material for organic electroluminescent element, organic electroluminescent element and electronic device | Hisato MATSUMOTO, Yuichi Nishimae | 2025-04-29 |
| 12274168 | Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic appliance | Keiichi YASUKAWA, Shota SAWANO, Takushi SHIOMI | 2025-04-08 |
| 12250883 | Organic electroluminescence element and electronic device | Takushi SHIOMI, Toshinari Ogiwara | 2025-03-11 |