CR

Chang Ra

Samsung: 1 patents #49,284 of 75,807Top 70%
📍 Bucheon-si, KR: #275 of 868 inventorsTop 35%
Overall (All Time): #1,520,528 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9067783 Graphene-based photodetector including complex transparent electrode, method of manufacturing the same, and device including the same Jae Young Choi, Won Jong Yoo, Tian Shen 2015-06-30
5668070 Ceramic composition for absorbing electromagnetic wave and a method for manufacturing the same Sung Yong Hong 1997-09-16
4481560 Safety lamp with noctilucent lens holder 1984-11-06