HC

Hee-Seok Chang

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Seodaemun-gu, KR: #156 of 340 inventorsTop 50%
Overall (All Time): #3,387,158 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7225478 Electronic toilet and flushing system Chang Shik Lim 2007-06-05