Patent Assignment
Reel/Frame 074077/0406
Change of Name
Recorded: 2025-12-27
Pages: 8
Assignor
ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Executed: 2024-03-20
Assignee
DUPONT SPECIALTY MATERIALS KOREA LTD.
56 , 3-GONDAN 1-RO, SEOBUK-GU,, CHEONAN-SI, CHUNGCHEONGNAM-DO, 31093, KOREA, REPUBLIC OF
Covered Property
(1)
Curable Silicone Composition, Encapsulant and Optical Semiconductor Device
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 26, 2022
From: TAKEUCHI, SHUNYA; KANG, HYUNJI; MATSUZAKI, MAYUMI; TAKEUCHI, KASUMI
To: DUPONT TORAY SPECIALTY MATERIALS KABUSHIKI KAISHA; ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Reel/Frame 060909/0690 →
Change of Name
Oct 17, 2024
From: ROHM & HAAS ELECTRONIC MATERIALS KOREA LTD
To: DUPONT SPECIALTY MATERIALS KOREA LTD
Reel/Frame 069185/0438 →
Assignment of Assignor's Interest
Dec 27, 2025
From: DUPONT TORAY SPECIALTY MATERIALS KABUSHIKI KAISHA
To: DUROPTIX MATERIALS KABUSHIKI KAISHA
Reel/Frame 073319/0612 →