Gyeonggi-do
Korea (South)
2
2024-02-08
Sung-Jin EUM from Gyeonggi-do, KR has applied for patents for these inventions. The list has both pending applications and granted patents:
NOVEL HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
NOVEL SPIROFLUORENE COMPOUND AND ORGANIC LIGHTEMITTING DEVICE INCLUDING SAME
5985591 ⎘