CC

Cheon Kyu Choi

EC Em-Tech Co.: 1 patents #33 of 70Top 50%
📍 Suneung-ri, KR: #1,519 of 2,357 inventorsTop 65%
Overall (All Time): #2,665,838 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11381898 Canal-type earphone having pressure equilibrium structure You Lim Choi 2022-07-05