YC

You Lim Choi

EC Em-Tech Co.: 1 patents #33 of 70Top 50%
Overall (All Time): #2,665,837 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

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