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Doo Sub Sim — 2 Patents in 2018

Anmyeon-eup, KR: #21 of 120 inventorsTop 20%
Overall (2018): #152,892 of 503,207Top 35%
2 Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10119236 Compaction grouting system construction method capable of seismic reinforcement and quality control Ji Hyun Park 2018-11-06
10066355 Device for obtaining C.G.S injection control chart for seismic retrofitting and controlling quality Ji Hyun Park 2018-09-04

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