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Inventor

Chang Seok Han

Inventor
Ansan-si, KR

Overview

2→
Patents
2012–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H10Hprimary
H10HInorganic light-emitting semiconductor devices having potential barriers50%
B82YSpecific uses or applications of nanostructures25%
H01LSemiconductor devices25%
PatentTitleYear
10,374,123UV light emitting device20198,093,583'Light emitting diode having barrier layer of superlattice structure'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012Patents assigned to HAN CHANG SEOK (1)· patent assignee history
2012Patents assigned to KIM KYUNG HAE (1)· patent assignee history
2012Patents assigned to LEE SANG JOON (1)· patent assignee history
2012Patents assigned to OH DUCK HWAN (1)· patent assignee history
2012Patents assigned to SEOUL OPTO DEVICE CO LTD (1)· patent assignee history
2012–2019Based in Ansan-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HAN CHANG SEOKself12012
KIM KYUNG HAE12012
LEE SANG JOON12012
OH DUCK HWAN12012
SEOUL OPTO DEVICE CO LTD12012
Locations
LocationPatentsSpan
Ansan-si, KR22012–2019