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Inventor

Chi Sung Ihn

Inventor
Chungcheongnam-do, KR

Overview

2→
Patents
2003–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C07Dprimary
C07DHeterocyclic compounds17%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds17%
C23FNon-mechanical removal of metallic material from surface17%
H01LSemiconductor devices17%
H10DInorganic electric semiconductor devices17%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1017%
PatentTitleYear
10,501,853Etchant composition, method for etching multilayered film, and method for preparing display device20196,569,978'Anionic polymerization of functionalized styrene derivatives containing carbazole'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003Patents assigned to KWANGJU INST SCI & TECH (1)· patent assignee history
2003Based in Kwangju, KR· patent location history
2019Patents assigned to MITSUBISHI GAS CHEMICAL CO (1)· patent assignee history
2019Patents assigned to SAMSUNG DISPLAY CO LTD (1)· patent assignee history
2019Patents assigned to SAMYOUNG PURE CHEMICALS CO LTD (1)· patent assignee history
2019Based in Chungcheongnam-do, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KWANGJU INST SCI & TECH12003
MITSUBISHI GAS CHEMICAL CO12019
SAMSUNG DISPLAY CO LTD12019
SAMYOUNG PURE CHEMICALS CO LTD12019
Locations
LocationPatentsSpan
Chungcheongnam-do, KR12019
Kwangju, KR12003