Inventor

Seung-Hyun Ahn

Inventor

Suwon-si, KR

Overview

7→

Patents

2003–2020

Patent span

Physics

Primary field (CPC G)

Patents· 7 as inventor

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

G03Fprimary

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices40%

C11DDetergent compositions13%

B29CShaping or joining of plastics7%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts7%

C08JWorking-up7%

D21HPulp compositions7%

H01LSemiconductor devices7%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h107%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%

PatentTitleYear

10,850,454Porous single resin fiber composite material and method for manufacturing porous single resin fiber composite material2020 9,885,955'Thinner compositions'2018 8,227,182'Methods of forming a photosensitive film'2012 7,863,231'Thinner composition and method of removing photoresist using the same'2011 7,387,988'Thinner composition and method of removing photoresist using the same'2008 6,682,876'Thinner composition and method of stripping a photoresist using the same'2004 6,589,719'Photoresist stripper compositions'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2018Patents assigned to SAMSUNG ELECTRONICS CO LTD (6)· patent assignee history

2003–2018Based in Suwon-si, KR· patent location history

2012Patents assigned to AHN SEUNG-HYUN (1)· patent assignee history

2012Patents assigned to CHOI BAIK-SOON (1)· patent assignee history

2012Patents assigned to DONGWOO FINE CHEM CO LTD (1)· patent assignee history

2012Based in Gyeonggi-do, KR· patent location history

2018Patents assigned to DONGWOO FINE CHEM (1)· patent assignee history

2020Based in Anyang-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SAMSUNG ELECTRONICS CO LTD	6	2003–2018
AHN SEUNG-HYUNself	1	2012
CHOI BAIK-SOON	1	2012
DONGWOO FINE CHEM	1	2018
DONGWOO FINE CHEM CO LTD	1	2012

Locations

Location	Patents	Span
Suwon-si, KR	5	2003–2018
Anyang-si, KR	1	2020
Gyeonggi-do, KR	1	2012