Inventor
Kil-Wan Chang
Inventor
Cheongju-si, KR
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C01Pprimary
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds20%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties20%
A61KPreparations for medical, dental or toiletry purposes11%
A61QSpecific use of cosmetics or similar toiletry preparations9%
C09DCoating compositions, e.g. paints, varnishes or lacquers9%
C01GCompounds containing metals not covered by subclasses c01d or c01f6%
B05DProcesses for applying fluent materials to surfaces, in general4%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals4%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%
PatentTitleYear
10,836,912Glossy pigment having hollow structure and method for producing same202010,646,423Cosmetic product having excellent UV-blocking effect and manufacturing method thereof202010,519,317Gold pigment with high color strength201910,285,918Cosmetic composition201910,259,943Method for manufacturing plate alpha-alumina pearlescent pigments and nano-metal coating pearlescent pigments with large aspect ratio20199,862,839'Pigment having excellent electrical conductivity and corrosion resistance and method for preparing same'20189,758,677'Plate-like aluminum oxide and preparation method therefor'20179,629,796'Colored glossy pigment using vegetable type natural dye and method for preparing same'20179,309,411'Nacreous pigment with high chroma and multiple colors and method of preparing the same'20169,212,282'Interference pigment with high color intensity and method of manufacturing the same'20158,900,660'Silver coating pigment, and method for producing same'20148,808,447'Pigment paint for an exterior material having good weather resistance and method for manufacturing same'20147,959,894'Flaky alpha-alumina crystal and a method of its preparation'20116,899,757'Method for preparing a pearlescent pigment by coating metal oxides on the synthesized mica'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005Based in Yongin-si, KR· patent location history
2011–2020Patents assigned to CQV CO LTD (13)· patent assignee history
2011–2020Based in Cheongju-si, KR· patent location history
2014–2016Patents assigned to CHANG KIL-WAN (3)· patent assignee history
2014–2016Patents assigned to CHOI BYUNG-KI (3)· patent assignee history
2014–2016Patents assigned to JEONG JAE-IL (3)· patent assignee history
2014–2016Patents assigned to KANG KWANG-CHOONG (3)· patent assignee history
2019Based in Chungcheongbuk-do, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CQV CO LTD | 13 | 2011–2020 |
| CHANG KIL-WANself | 3 | 2014–2016 |
| CHOI BYUNG-KI | 3 | 2014–2016 |
| JEONG JAE-IL | 3 | 2014–2016 |
| KANG KWANG-CHOONG | 3 | 2014–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cheongju-si, KR | 12 | 2011–2020 |
| Chungcheongbuk-do, KR | 1 | 2019 |
| Yongin-si, KR | 1 | 2005 |