HY

Heung Sik Yu

UN Unknown: 2 patents #12,644 of 83,584Top 20%
EC Ecotop: 1 patents #2 of 4Top 50%
Overall (All Time): #3,061,035 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9080298 Retaining wall construction system for preventing tsunamis and flood damages and construction method thereof Seong Kyun Jin 2015-07-14