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Inventor

Change Seok Lee

Inventor
Seoul, KR

Overview

3→
Patents
2014
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H05Bprimary
H05BElectric heating75%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications25%
PatentTitleYear
8,890,431'LED driving apparatus and method'20148,796,942'LED circuit'20148,749,147'LED circuit'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014Patents assigned to CHA SANG HYUN (3)· patent assignee history
2014Patents assigned to LEE CHANGE SEOK (3)· patent assignee history
2014Patents assigned to LEE JAE SHIN (3)· patent assignee history
2014Patents assigned to LEE YEUN JOONG (3)· patent assignee history
2014Patents assigned to PARK DEUK HEE (3)· patent assignee history
2014Based in Seoul, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHA SANG HYUN32014
LEE CHANGE SEOKself32014
LEE JAE SHIN32014
LEE YEUN JOONG32014
PARK DEUK HEE32014
Locations
LocationPatentsSpan
Seoul, KR32014