Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9548457 | Spirofluorene derivative, material for light-emitting element, light-emitting element, light-emitting device, and electronic device | Sachiko Kawakami | 2017-01-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9548457 | Spirofluorene derivative, material for light-emitting element, light-emitting element, light-emitting device, and electronic device | Sachiko Kawakami | 2017-01-17 |