Inventor
Il-hyun Sohn
Inventor
Yongin, KR
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices30%
C11DDetergent compositions20%
C21BManufacture of iron or steel10%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel10%
C22BProduction and refining of metals10%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1010%
Y02PClimate change mitigation technologies in the production or processing of goods10%
PatentTitleYear
9,650,688'Method of recovering Fe from steel-making slag'20177,223,721'Resist and etching by-product removing composition and resist removing method using the same'20077,037,852'Composition for stripping photoresist and method of preparing the same'20066,713,440'Resist and etching by-product removing composition and resist removing method using the same'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2007Patents assigned to SAMSUNG ELECTRONICS CO LTD (3)· patent assignee history
2004–2007Based in Yongin, KR· patent location history
2006Based in Suwon-si, KR· patent location history
2017Patents assigned to INDUSTRY-ACADEMIC COOPERATION FOUNDATION YONSEI UNIV (1)· patent assignee history
2017Based in Seoul, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SAMSUNG ELECTRONICS CO LTD | 3 | 2004–2007 |
| INDUSTRY-ACADEMIC COOPERATION FOUNDATION YONSEI UNIV | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yongin, KR | 2 | 2004–2007 |
| Seoul, KR | 1 | 2017 |
| Suwon-si, KR | 1 | 2006 |