Jeollabuk-do
South Korea
5
2026-03-05
The entities that hold a legal rights for patent applications filed by inventor Choi Eun Sil:
Eun Sil Choi from Jeollabuk-do, KR has applied for patents for these inventions. The list has both pending applications and granted patents:
SURFACE-TREATED COPPER FOIL HAVING PILLAR NODULE STRUCTURE, AND COPPER CLAD LAMINATE AND PRINTED WIRING BOARD COMPRISING SAME
#2 | 2025-11-27SURFACE-TREATED COPPER FOIL WITH HEAT RESISTANCE, AND COPPER CLAD LAMINATE AND PRINTED WIRING BOARD INCLUDING THE SAME
#3 | 2023-06-15Carrier-foil-attached ultra-thin copper foil
#4 | 2019-12-05Carrier-foil-attached ultra-thin copper foil
#5 | 2019-11-28Carrier-foil-attached ultra-thin copper foil
3042909 ⎘