Inventor
Dong Hwan Ryu
Inventor
Daejeon, KR
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Jprimary
C08JWorking-up11%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients11%
C08LCompositions of macromolecular compounds11%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments11%
C09DCoating compositions, e.g. paints, varnishes or lacquers11%
G02BOptical elements, systems or apparatus11%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein11%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy11%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution11%
PatentTitleYear
10,871,677Wide color gamut film, composition for preparing the same, polarizing plate comprising the same, and liquid crystal display comprising the polarizer plate20208,309,276'Process for preparing of a catalyst solution for fuel cell and a membrane electrode assembly using the same'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012Patents assigned to HANWHA CHEMICAL CORP (1)· patent assignee history
2012Patents assigned to JANG BYUNGCHUL (1)· patent assignee history
2012Patents assigned to JIONG YOUNGSU (1)· patent assignee history
2012Patents assigned to KIM YOUNG TAEK (1)· patent assignee history
2012Based in Cheongju, KR· patent location history
2020Patents assigned to LG CHEMICAL LTD (1)· patent assignee history
2020Based in Daejeon, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HANWHA CHEMICAL CORP | 1 | 2012 |
| JANG BYUNGCHUL | 1 | 2012 |
| JIONG YOUNGSU | 1 | 2012 |
| KIM YOUNG TAEK | 1 | 2012 |
| LG CHEMICAL LTD | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Daejeon, KR | 1 | 2020 |
| Cheongju, KR | 1 | 2012 |