Issued Patents 2022
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE49343 | Organic electroluminescence device | Hirokatsu Ito, Toshinari Ogiwara, Yumiko Mizuki | 2022-12-20 |
| 11456421 | Anthracene derivatives, luminescent materials and organic electroluminescent devices | Mitsunori Ito | 2022-09-27 |
| 11289661 | Nitrogen-containing heterocyclic compounds for organic light emitting devices | Michelle GROARKE, Takushi SHIOMI, Hideaki Nagashima | 2022-03-29 |
| 11283025 | Compound, material for organic electroluminescence elements, organic electroluminescence element, and electronic device | Taro YAMAKI, Tomoki Kato, Hirokatsu Ito | 2022-03-22 |
| 11276834 | Light emitting element and display device | Shoji Sudo, Masakazu Funahashi | 2022-03-15 |
| 11264576 | Specifically substituted ladder type compounds for organic light emitting devices | Yumiko Mizuki, Kei Yoshida, Kiyoshi Ikeda | 2022-03-01 |