Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10134996 | Composite material, light-emitting element, light-emitting device, and manufacturing method thereof | Satoshi Seo, Ryoji Nomura, Satoko Shitagaki | 2018-11-20 |
| 10079345 | Anthracene derivative, and light-emitting element, light-emitting device, electronic device using anthracene derivative | Masakazu Egawa, Sachiko Kawakami, Tsunenori Suzuki, Ryoji Nomura | 2018-09-18 |
| 10056559 | Spirofluorene derivative, material for light-emitting element, light-emitting element, light-emitting device, and electronic device | Sachiko Kawakami | 2018-08-21 |
| 9899602 | Spirofluorene derivative, material for light-emitting element, light-emitting element, light-emitting device, and electronic device | Sachiko Kawakami | 2018-02-20 |