Doo Sub Sim — 3 Patents | Patent Leaderboard

Doo Sub Sim has been granted 3 US patents. The first was granted in 2018 and the most recent in December 2022. Doo Sub Sim ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Doo Sub Sim in Anmyeon-eup, KR.

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Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
11527183	Sign having three-dimensional effect, method for manufacturing same, anti-skid pavement assembly, and sticker	Eun-Ok Lee, Ji Hyun Park	2022-12-13
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

Doo Sub Sim — 3 Patents

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