• No.10-0995927
  2010. 11. 16
  
  

  Graphite crucible for silicon electromagnetic induction melting and silicon melting refining apparatus using the same
• No.10-1063250
  2011. 09. 01
  
  

  Graphite crucible for silicon electromagnetic induction melting and silicon melting refining apparatus using the same
• No.10-1081864
  2011. 11. 03
  
  

  Process for producing high-purity SiO_x nano powder with excellent volatility and apparatus for manufacturing the same

• Graphite crucible for silicon electromagnetic induction melting and silicon melting refining apparatus using the same
• Graphite crucible for silicon electromagnetic induction melting and silicon melting refining apparatus using the same
• Process for producing high-purity SiO_x nano powder with excellent volatility and apparatus for manufacturing the same

• No.10-1386611
  2014. 04. 11
  
  

  Nanoparticles manufacturing equipment with nanoparticle trap unit
• No.10-1441370
  2014. 09. 11
  
  

  Nanoparticle collection device
• No.10-1479310
  2014. 12. 29
  
  

  Nanoparticle collection device

• Nanoparticles manufacturing equipment with nanoparticle trap unit
• Nanoparticle collection device
• Nanoparticle collection device

• No.10-1428626
  2014. 08. 04
  
  

  Silicon melting crucible with excellent anti-consolidation effect
• No.10-1318185
  2013. 10. 08
  
  

  SiO_x nano powder manufacturing apparatus with a silicon melting crucible equipped with a sliding-type tapping structure and manufacturing method of SiO_x nano powder using the same
• No.10-1400883
  2014. 05. 22
  
  

  High-purity metal oxide nanostructure manufacturing apparatus and manufacturing method for the same

• Silicon melting crucible with excellent anti-consolidation effect
• SiO_x nano powder manufacturing apparatus with a silicon melting crucible equipped with a sliding-type tapping structure and manufacturing method of SiO_x nano powder using the same
• High-purity metal oxide nanostructure manufacturing apparatus and manufacturing method for the same

• No.US 10,014,523
  2018.07.03

  
  

  Manufacturing apparatus of high purity MO_x nanostructure and method of manufacturing the same
• No.10-1080800
  2011.11.01
  
  

  Nano powder manufacturing equipment
• No.10-1448057
  2014.09.30
  
  

  Nanoparticle collection device

• Manufacturing apparatus of high purity MO_x nanostructure and method of manufacturing the same
• Nano powder manufacturing equipment
• Nanoparticle collection device

• No.US 9,975,782
  2018.05.22
  
  

  SiO_x nanoparticle manufacturing apparatus including crucible for silicon melting having sliding type tapping structure and manufacturing method of SiO_x nanoparticle using the same
• No.US 8,968,470
  2015.03.03
  
  

  Graphite crucible for silicon electromagnetic induction heating and apparatus for silicon melting and refining using the graphite crucible

• No.JP 5422331
  2013.11.29

  
  

  Graphite crucible for silicon electronic induction melting and silicon melting refining apparatus using the same

• SiO_x nanoparticle manufacturing apparatus including crucible for silicon melting having sliding type tapping structure and manufacturing method of SiO_x nanoparticle using the same
• Graphite crucible for silicon electromagnetic induction heating and apparatus for silicon melting and refining using the graphite crucible
• Graphite crucible for silicon electromagnetic induction heating and apparatus for silicon melting and refining using the graphite crucible

• No.2008-877441
  2008.11.17
  
  

  A graphite crucible for silicon electromagnetic induction heating and apparatus for silicon Melting and refining using the graphite crucible
• No.US 9,001,863
  2015.04.07
  
  

  Graphite crucible for electromagnetic induction melting silicon and apparatus for silicon melting and refining using the graphite crucible
• No.JP 5492854
  2014.03.07
  
  

  Process for producing high-purity SiO_x nano powder with excellent volatility and apparatus for manufacturing the same

• A graphite crucible for silicon electromagnetic induction heating and apparatus for silicon Melting and refining using the graphite crucible
• Graphite crucible for electromagnetic induction melting silicon and apparatus for silicon melting and refining using the graphite crucible
• Process for producing high-purity SiO_x nano powder with excellent volatility and apparatus for manufacturing the same

• 13/960,288
  2013.08.06
  
  

  Method of producing high purity SiO_x nanoparticles with excellent volatility and apparatus for producing the same

• Method of producing high purity SiO_x nanoparticles with excellent volatility and apparatus for producing the same

New patent applications

• No.10-2018-0071556
  2018.06.21
  
  

  Method for manufacturing silicon oxide anode material of lithium rechargeable batteries
• No.10-2018-0112694
  2018.09.20
  
  

  Apparatus to sequentially synthesize nanoparticle
• No.10-2018-0112695
  2018.09.20
  
  

  Method to synthesize nano silicon oxide for secondary cell cathode material at normal pressure and cathode material thereof

• Method for manufacturing silicon oxide anode material of lithium rechargeable batteries
• Apparatus to sequentially synthesize nanoparticle
• Method to synthesize nano silicon oxide for secondary cell cathode material at normal pressure and cathode material thereof