Inventor

A Ram Cha Lee

Inventor

Ansan-si, KR

Overview

9→

Patents

2007–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 9 as inventor

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

H01Lprimary

H01LSemiconductor devices26%

H10HInorganic light-emitting semiconductor devices having potential barriers26%

H10DInorganic electric semiconductor devices9%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%

B01DSeparation4%

C02FTreatment of water, waste water, sewage, or sludge4%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%

C08LCompositions of macromolecular compounds4%

C09JAdhesives4%

C09KMaterials for miscellaneous applications, not provided for elsewhere4%

PatentTitleYear

10,537,858Hydrophilic, light active coating for membranes2020 10,177,273UV light emitting device2019 10,164,150Near UV light emitting device2018 9,882,085'Method for separating epitaxial layers from growth substrates, and semiconductor device using same'2018 9,859,108'Substrate regeneration method and regenerated substrate'2018 9,312,447'Near UV light emitting device'2016 9,224,913'Near UV light emitting device'2015 9,011,995'Acrylic pressure-sensitive adhesive compositions'2015 7,262,313'Organic silane compound'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2015Patents assigned to LG CHEMICAL LTD (2)· patent assignee history

2007Based in Daejeon, KR· patent location history

2015–2019Patents assigned to SEOUL VIOSYS CO LTD (6)· patent assignee history

2015Patents assigned to CHANG SUK-KY (1)· patent assignee history

2015Patents assigned to HAN IN-CHEON (1)· patent assignee history

2015Patents assigned to KIM WOO-HA (1)· patent assignee history

2015–2019Based in Ansan-si, KR· patent location history

2015Based in Doryong-Dong, KR· patent location history

2020Based in Darien, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEOUL VIOSYS CO LTD	6	2015–2019
LG CHEMICAL LTD	2	2007–2015
CHANG SUK-KY	1	2015
HAN IN-CHEON	1	2015
KIM WOO-HA	1	2015

Locations

Location	Patents	Span
Ansan-si, KR	6	2015–2019
Darien, Illinois, US	1	2020
Doryong-Dong, KR	1	2015
Daejeon, KR	1	2007