Inventor
Han Kwon Chang
Inventor
Daejeon, KR
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C01Bprimary
C01BNon-metallic elements15%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds13%
B82YSpecific uses or applications of nanostructures10%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
C01GCompounds containing metals not covered by subclasses c01d or c01f6%
B01DSeparation4%
B82BNanostructures formed by manipulation of individual atoms, molecules, or limited collections of atoms or molecules as discrete units4%
Y10TTechnical subjects covered by former us classification4%
B05BSpraying apparatus2%
PatentTitleYear
10,953,367Method of osmotic pressure free reverse osmosis for enriching solute-containing solution to high concentration202110,822,237Method for manufacturing graphene balls20209,296,617'Method for separating and recovering silicon from silicon sludge'20169,272,917'Method of preparing mesoporous silica particles using spray pyrolysis'20168,986,906'Method for preparing nanoporous Pt/TiO2 composite particles'20158,967,492'Droplet generation system and method'20158,883,254'Method of synthesizing hollow silica from sodium silicate'20148,562,815'Glucose sensor having titanium dioxide-graphene composite'20138,187,562'Method for producing cerium dioxide nanopowder by flame spray pyrolysis and cerium dioxide nanopowder produced by the method'20128,070,981'Method of fabricating silica-titania nanoporous composite powder'20117,799,303'Method of preparing silica nanoparticles from siliceous mudstone'20107,534,410'Method for making silica nanoparticles by flame spray pyrolysis adopting two-fluid nozzle'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2020Based in Daejeon, KR· patent location history
2010–2016Patents assigned to KOREA INST GEOSCIENCE & MINERA (9)· patent assignee history
2011–2015Patents assigned to CHANG HAN KWON (4)· patent assignee history
2011–2015Patents assigned to JANG HEE DONG (4)· patent assignee history
2011Based in Daejoen, KR· patent location history
2012–2015Patents assigned to CHO KUK (2)· patent assignee history
2013Patents assigned to CHANG HAN-KWON (1)· patent assignee history
2021Based in Seoul, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOREA INST GEOSCIENCE & MINERA | 9 | 2010–2016 |
| CHANG HAN KWONself | 4 | 2011–2015 |
| JANG HEE DONG | 4 | 2011–2015 |
| CHO KUK | 2 | 2012–2015 |
| CHANG HAN-KWONself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Daejeon, KR | 10 | 2009–2020 |
| Seoul, KR | 1 | 2021 |
| Daejoen, KR | 1 | 2011 |