Inventor

Kyu Ha Chung

Inventor

Seoul, KR

Overview

5→

Patents

2007–2017

Patent span

Physics

Primary field (CPC G)

Patents· 5 as inventor

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

G02Fprimary

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein29%

H10KOrganic electric solid-state devices21%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form7%

E04DRoof coverings7%

G02BOptical elements, systems or apparatus7%

G09GArrangements or circuits for control of indicating devices using static means to present variable information7%

H05BElectric heating7%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation7%

Y10TTechnical subjects covered by former us classification7%

PatentTitleYear

9,804,428'Composite sheet, substrate for a display element including same, and display device including same'2017 8,564,195'Display device'2013 8,384,847'Prism sheet having wet-out property and LCD back light unit thereby'2013 7,902,085'Droplet ejecting apparatus, method of forming a thin film, and substrate for a display device'2011 7,218,048'Display apparatus having photo sensor'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2011Patents assigned to SAMSUNG ELECTRONICS CO LTD (2)· patent assignee history

2007–2013Based in Seoul, KR· patent location history

2013–2017Patents assigned to CHEIL IND INC (2)· patent assignee history

2013Patents assigned to CHOI JUN HYEAK (1)· patent assignee history

2013Patents assigned to CHU CHANG-WOONG (1)· patent assignee history

2013Patents assigned to CHUNG KYU HA (1)· patent assignee history

2013Based in Gyeonggi-do, KR· patent location history

2017Based 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	2	2013–2017
SAMSUNG ELECTRONICS CO LTD	2	2007–2011
CHOI JUN HYEAK	1	2013
CHU CHANG-WOONG	1	2013
CHUNG KYU HAself	1	2013

Locations

Location	Patents	Span
Seoul, KR	3	2007–2013
Uiwang-si, KR	1	2017
Gyeonggi-do, KR	1	2013