2016
 
• August [Patent] No. 10-1648432 Fire Resistance Replica
 
• July [Patent] No. 10-1637386 A concrete composition improved in waterproofing and rustproofing performance using a concrete waterproofing agent
 
• April [Patent] No. 40-1170024 PLOYTEC 3000P (registered trademark)
 
• February [Patent] No. 10-1593556 An environmentally friendly waterproof, anti-corrosion and anti-neutralization surface treatment composition
 
 
2015
 
• Aug. [Patent] No. 10-1547661 Non-shrinkable water-insoluble mortar composition
 
• June [Patent] No. 10-1531275; and a durable and high rust-inhibiting spherical waterproofing composition
 
• March [Patent] No. 10-1506913 A lightweight antibacterial mortar composition for maintenance reinforcement
 
 
2014
 
• February [Patent] No. 10-1365974 Admixture for high viscosity concrete

 
2013
 
• February [Patent] No. 10-1235645 Multiple leakage repair method
 
• Aug. [Patent] No. 10-1302455 Method for measuring the penetration depth of inorganic acid-resistant material
 
 
2011
 
• February [Patent] No. 10-1014198 A method of repairing and reinforcing concrete structures using hybrid carbon fiber boards and polymer mortar
 
• November [Patent] No. 10-1084703 Preparation and structure of humidity-proof mortar and paint
 
 
2010
 
• April [Patent] Concrete flow tester and concrete consistency measurement method using it
 
 
2007
 
• March [Patent] Hybrid maintenance mortar composition
 
• April [Patent] Mixing method of hybrid repair mortar
 
• September [Patent] No. 10-0736884 Repair method of reinforced concrete using hybrid repair mortar
 
• December [Patent] No. 10-0794493 No. 7: Lightweight Hybrid Maintenance Mortar Composition