Patent Assignment
Reel/Frame 060909/0690
Assignment of Assignor's Interest
Recorded: 2022-08-26
Pages: 10
Assignors
TAKEUCHI, SHUNYA
Executed: 2022-02-10
KANG, HYUNJI
Executed: 2022-02-10
MATSUZAKI, MAYUMI
Executed: 2022-03-08
TAKEUCHI, KASUMI
Executed: 2022-02-14
Assignees
DUPONT TORAY SPECIALTY MATERIALS KABUSHIKI KAISHA
11-1, NAGATA-CHO 2-CHOME, CHIYODA-KU, TOKYO, JAPAN
ROHM AND HAAS ELECTRONIC 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.
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 →
Change of Name
Dec 27, 2025
From: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
To: DUPONT SPECIALTY MATERIALS KOREA LTD.
Reel/Frame 074077/0406 →