KC

Kyeong-seok Choi

Samsung: 2 patents #37,631 of 75,807Top 50%
📍 Ulsan, KR: #286 of 1,040 inventorsTop 30%
Overall (All Time): #2,300,860 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5204139 Method for coating thermionic emission material for a thermionic emission filament — 1993-04-20
5198720 Direct heating cathode structure for cathode ray tubes — 1993-03-30