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Inventor

ChaBum Lee

Inventor
Gwangju, KR

Overview

3→
Patents
2012–2017
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G01Bprimary
G01BMeasuring length, thickness or similar linear dimensions40%
B29DProducing particular articles from plastics or from substances in a plastic state20%
G02BOptical elements, systems or apparatus20%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices20%
PatentTitleYear
9,746,321'Optical displacement sensing system utilizing edge diffraction'20178,687,200'Method and device for measuring motion error of linear stage'20148,176,912'Light-condensing device and method of fabricating the same'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2014Patents assigned to KWANGJU INST SCI & TECH (2)· patent assignee history
2012–2014Patents assigned to LEE CHABUM (2)· patent assignee history
2012–2014Patents assigned to LEE SUN-KYU (2)· patent assignee history
2012Patents assigned to JOO JAEYOUNG (1)· patent assignee history
2012–2014Based in Gwangju, KR· patent location history
2014Patents assigned to KIM GYU HA (1)· patent assignee history
2017Based in Columbia, SC, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KWANGJU INST SCI & TECH22012–2014
LEE CHABUMself22012–2014
LEE SUN-KYU22012–2014
JOO JAEYOUNG12012
KIM GYU HA12014
Locations
LocationPatentsSpan
Gwangju, KR22012–2014
Columbia, SC, US12017