Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10522763 | Dicyanopyrazine compound, luminescent material, luminescence device using the same, and method for producing 2,5-dicyano-3,6-dihalogenopyrazine | Takuma Yasuda, In Seob PARK, Yu Seok Yang, Hiroshi Sumiya | 2019-12-31 |
| 10497878 | Dicyanopyrazine compound, luminescent material, luminescence device using the same, and method for producing 2,5-dicyano-3,6-dihalogenopyrazine | Takuma Yasuda, In Seob PARK, Yu Seok Yang, Hiroshi Sumiya | 2019-12-03 |
| 10399960 | Dicyanopyrazine compound, luminescent material, luminescence device using the same, and method for producing 2,5-dicyano-3,6-dihalogenopyrazine | Takuma Yasuda, In Seob PARK, Yu Seok Yang, Hiroshi Sumiya | 2019-09-03 |