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Inventor

Ju-Eun Cha

Inventor
Daegu, KR

Overview

7→
Patents
2010–2016
Patent span
Chemistry
Primary field (CPC C)

Patents· 7 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

Y10Tprimary
Y10TTechnical subjects covered by former us classification23%
C09KMaterials for miscellaneous applications, not provided for elsewhere15%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein15%
C08JWorking-up12%
G02BOptical elements, systems or apparatus12%
C03CChemical composition of glasses, glazes or vitreous enamels8%
C08LCompositions of macromolecular compounds8%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
PatentTitleYear
9,315,639'Optical films, phase difference films, and LCD comprising the same'20169,040,115'Retardation compensators of negative C-type for liquid crystal display'20158,728,583'Composite materials, composite film manufactured by using the same and method for manufacturing composite film'20148,470,413'Retardation compensators of negative C-type for liquid crystal display'20138,445,108'Composite materials, composite film manufactured by using the same and method for manufacturing composite film'20137,737,244'Process for preparing polyarylate'20107,682,672'Negative C-type compensation film and method of preparing the same'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2016Patents assigned to LG CHEMICAL LTD (7)· patent assignee history
2010–2016Based in Daegu, KR· patent location history
2013–2016Patents assigned to CHA JU-EUN (3)· patent assignee history
2013–2016Patents assigned to JEONG BOONG-GOON (3)· patent assignee history
2013–2016Patents assigned to KIM DONG-RYUL (3)· patent assignee history
2013–2016Patents assigned to KIM HEE-JUNG (3)· patent assignee history
2013–2014Based in Daejeon, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LG CHEMICAL LTD72010–2016
CHA JU-EUNself32013–2016
JEONG BOONG-GOON32013–2016
KIM DONG-RYUL32013–2016
KIM HEE-JUNG32013–2016
Locations
LocationPatentsSpan
Daegu, KR52010–2016
Daejeon, KR22013–2014