Inventor
Tu Won Chang
Inventor
Kumi-shi, KR
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Gprimary
C09GPolishing compositions12%
C09KMaterials for miscellaneous applications, not provided for elsewhere12%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1012%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds8%
C09DCoating compositions, e.g. paints, varnishes or lacquers8%
C01BNon-metallic elements4%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%
C03CChemical composition of glasses, glazes or vitreous enamels4%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
C08JWorking-up4%
PatentTitleYear
8,502,334'Image sensor and method for manufacturing the same'20137,851,789'Photosensitive resin composition for pad protective layer, and method for making image sensor using the same'20107,700,007'Anisotropic conductive film forming composition'20106,855,458'Non-aqueous electrolyte composition for batteries'20056,551,367'Process for preparing metal oxide slurry suitable for semiconductor chemical mechanical polishing'20036,488,730'Polishing composition'20026,447,694'Composition for chemical mechanical polishing'20026,364,919'Process for preparing metal oxide slurries suitable for the chemical mechanical polishing of semiconductors'20026,248,818'Polythiophene-based conductive polymer liquid composition of high conductivity and transparency'20016,235,827'Polymer composition for coatings with high refractivity conductivity, and transparancy'20015,459,116'Highly active catalyst for the polymerization of olefins and method for the preparation of the same'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2001Patents assigned to SAMSUNG GENERAL CHEMICALS CO (2)· patent assignee history
1995Based in Daejon, KR· patent location history
2001–2013Patents assigned to CHEIL IND INC (9)· patent assignee history
2001–2005Based in Kumi-shi, KR· patent location history
2001Based in Tajeon, KR· patent location history
2010Based in Seoul, KR· patent location history
2013Patents assigned to CHANG TU-WON (1)· patent assignee history
2013Patents assigned to CHEON HWAN-SUNG (1)· patent assignee history
2013Patents assigned to JEONG EUI-JUNE (1)· patent assignee history
2013Based in Uiwang-si, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHEIL IND INC | 9 | 2001–2013 |
| SAMSUNG GENERAL CHEMICALS CO | 2 | 1995–2001 |
| CHANG TU-WONself | 1 | 2013 |
| CHEON HWAN-SUNG | 1 | 2013 |
| JEONG EUI-JUNE | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kumi-shi, KR | 6 | 2001–2005 |
| Seoul, KR | 2 | 2010 |
| Uiwang-si, KR | 1 | 2013 |
| Tajeon, KR | 1 | 2001 |
| Daejon, KR | 1 | 1995 |