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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
12402531
Issue Dt:
08/26/2025
Application #:
18416245
Filing Dt:
01/18/2024
Publication #:
20240206333
Pub Dt:
06/20/2024
Inventors:
Hee-Choon AHN, Young-Kwang KIM, Doo-Hyeon MOON, Su-Hyun LEE, Seon-Woo LEE, Chi-Sik KIM et al
Title:
MULTI-COMPONENT HOST MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
Assignment: 1
Reel/Frame:
071689/0158Recorded: 07/14/2025Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
AHN, HEE-CHOON
Exec Dt:
08/11/2015
KIM, YOUNG-KWANG
Exec Dt:
08/11/2015
MOON, DOO-HYEON
Exec Dt:
08/11/2015
LEE, SU-HYUN
Exec Dt:
08/11/2015
LEE, SEON-WOO
Exec Dt:
12/15/2015
KIM, CHI-SIK
Exec Dt:
08/11/2015
PARK, KYOUNG-JIN
Exec Dt:
08/11/2015
KIM, NAM-KYUN
Exec Dt:
08/13/2015
CHOI, KYUNG-HOON
Exec Dt:
06/30/2016
SHIM, JAE-HOON
Exec Dt:
08/11/2015
CHO, YOUNG-JUN
Exec Dt:
06/02/2016
LEE, KYUNG-JOO
Exec Dt:
10/02/2015
Assignee:
ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
56, 3-GONGDAN 1-RO
SEOBUK-GU
CHEONAN, KOREA, REPUBLIC OF 331-980
Correspondent:
JENA EVANS
974 CENTRE ROAD
WILMINGTON, DE 19805
Assignment: 2
Reel/Frame:
069185/0438Recorded: 10/17/2024Pages: 12
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
ROHM & HAAS ELECTRONIC MATERIALS KOREA LTD
Exec Dt:
03/20/2024
Assignee:
DUPONT SPECIALTY MATERIALS KOREA LTD
56, 3-GONGDAN1-RO, SEOBUK-GU, CHEONAN-SI
CHUNGCHEONGNAM-DO, KOREA, REPUBLIC OF 31093
Correspondent:
CPA GLOBAL LIMITED
LIBERATION HOUSE
CASTLE STREET
ST HELIER, JE1 1BL JERSEY
Assignment: 3
Reel/Frame:
069316/0857Recorded: 11/11/2024Pages: 8
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Exec Dt:
09/27/2024
Assignee:
DUPONT SPECIALTY MATERIALS KOREA LTD.
56, 3GONGDAN 1-RO SEOBUK-GU CHEONAN-SI
CHUNGCHEONGNAM-DO, KOREA, REPUBLIC OF 31093
Correspondent:
KELLY SMITH
974 CENTRE ROAD
WILMINGTON, DE 19805

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