Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11362326 | Method for preparing silicon-carbon-graphene composite, composite prepared according thereto, and secondary battery to which same is applied | Han Kwon Chang, Dae Sup Kil, Ji-Hyuk Choi, Sun Kyung Kim | 2022-06-14 |
| 10822237 | Method for manufacturing graphene balls | Han Kwon Chang, Ji-Hyuk Choi | 2020-11-03 |
| 10135059 | Crumpled particles, methods of synthesizing same and applications using same | Jiaxing Huang, Jiayan Luo | 2018-11-20 |
| 10135063 | Crumpled graphene-encapsulated nanostructures and lithium ion battery anodes made therefrom | Jiaxing Huang, Jiayan Luo | 2018-11-20 |
| 9296617 | Method for separating and recovering silicon from silicon sludge | Han Kwon Chang, Dae Sup Kil | 2016-03-29 |
| 9272917 | Method of preparing mesoporous silica particles using spray pyrolysis | Han Kwon Chang | 2016-03-01 |
| 9102555 | Method for removing phosphorus and nitrogen contained in sewage or wastewater using iron ore wastewater | Yong Jae Suh, Myung Eun Ju, Dae Sup Kil | 2015-08-11 |
| 8986906 | Method for preparing nanoporous Pt/TiO2 composite particles | Han Kwon Chang, Kuk Cho | 2015-03-24 |
| 8967492 | Droplet generation system and method | Jonian Nikolov, Kok Seng Lim, Han Kwon Chang | 2015-03-03 |
| 8940179 | Method for preparing magnetite nanoparticles from low-grade iron ore using solvent extraction and magnetite nanoparticles prepared by the same | Yong Jae Suh, Dae Sup Kil | 2015-01-27 |
| 8883254 | Method of synthesizing hollow silica from sodium silicate | Jiwoong Kim, Han Kwon Chang | 2014-11-11 |
| 8562815 | Glucose sensor having titanium dioxide-graphene composite | Han Kwon Chang, Sun Kyung Kim | 2013-10-22 |
| 8337805 | Method for preparing magnetite nanoparticles from low-grade iron ore and magnetite nanoparticles prepared by the same | Yong Jae Suh, Myung Eun Ju, Dae Sup Kil | 2012-12-25 |
| 8187562 | Method for producing cerium dioxide nanopowder by flame spray pyrolysis and cerium dioxide nanopowder produced by the method | Han Kwon Chang, Dae Sup Kil, Kuk Cho, Sung Wook Cho | 2012-05-29 |
| 8070981 | Method of fabricating silica-titania nanoporous composite powder | Han Kwon Chang | 2011-12-06 |
| 8048932 | Fabrication method of CaCO3 nanoparticles using beads milling | Kuk Cho, Byoung Gyu Kim | 2011-11-01 |
| 7799303 | Method of preparing silica nanoparticles from siliceous mudstone | Han Kwon Chang, Ho-Sung Yoon | 2010-09-21 |
| 7550618 | Preparation of iron(II) acetate powder from a low grade magnetite | Yong Jae Suh, Dae Sup Kil, Kee Kahb Koo, Jae Kyeong Kim, Han-sang Oh | 2009-06-23 |
| 7534410 | Method for making silica nanoparticles by flame spray pyrolysis adopting two-fluid nozzle | Han Kwon Chang | 2009-05-19 |
| 6902745 | Method of manufacturing nano-sized lithium-cobalt oxides by flame spraying pyrolysis | Churl Kyoung Lee, Do Su Kim, Jung Soo Shon | 2005-06-07 |
| 6613301 | Method for producing nanometer-sized ultrafine titanium dioxide | Seong-Kil Kim | 2003-09-02 |