Patent Assignment
Reel/Frame 069826/0450
Change of Name
Recorded: 2024-12-31
Pages: 15
Assignor
ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Executed: 2024-03-25
Assignee
DUPONT SPECIALTY MATERIALS KOREA LTD.
56, 3GONGDAN 1-RO, SEOBUK-GU, CHEONAN-SI, CHUNGCHEONGNAM-DO, KOREA, REPUBLIC OF
Covered Property
(1)
Curable Silicone Composition, Encapsulant and Optical Semiconductor Device
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 29, 2021
From: HORIE, SAWAKO; TAKEUCHI, SHUNYA; KOBAYASHI, AKIHIKO
To: DUPONT TORAY SPECIALTY MATERIALS KABUSHIKI KAISHA
Reel/Frame 056703/0739 →
Assignment of Assignor's Interest
Jun 29, 2021
From: JUNG, MISOON; KANG, HYUNJI
To: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Reel/Frame 056703/0852 →
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 16, 2025
From: DUPONT TORAY SPECIALTY MATERIALS KABUSHIKI KAISHA
To: DUROPTIX MATERIALS KABUSHIKI KAISHA
Reel/Frame 073229/0238 →