Patent Assignment
Reel/Frame 074058/0710
Assignment of Assignor's Interest
Recorded: 2026-03-12
Pages: 3
Assignor
SK ENPULSE CO., LTD.
Executed: 2025-12-10
Assignee
YCCHEM CO., LTD.
174-12 YUSEORI-GIL, SEONNAM-MYEON, GYEONGSANGBUK-DO, SEONGJU-GUN, KOREA, REPUBLIC OF
Covered Properties
(3)
Polishing Composition for a Semiconductor Process and Manufacturing Method of Substrate Using the Same
Application:
18/937,318 →
Publication:
US 2025/0145861
Polishing Composition for Semiconductor Process and Manufacturing Method of Substrate Using the Same
Application:
18/938,878 →
Publication:
US 2025/0145860
Polishing Composition for Semiconductor Process and Manufacturing Method for Polished Article
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 7, 2022
From: HONG, SEUNG CHUL; HAN, DEOK SU; LIM, JIN HYUK; KIM, DONGHYUN
To: SKC SOLMICS CO., LTD.; SK HYNIX INC.
Reel/Frame 060430/0456 →
Change of Name
Nov 9, 2023
From: SKC SOLMICS CO., LTD.
To: SK ENPULSE CO., LTD.
Reel/Frame 065509/0991 →
Assignment of Assignor's Interest
Nov 5, 2024
From: HAN, DEOK SU; CHO, JONG YOUNG; KIM, WOO JOO; KANG, HYUN GOO
To: SK ENPULSE CO., LTD.; SK HYNIX INC.
Reel/Frame 069141/0795 →
Assignment of Assignor's Interest
Nov 6, 2024
From: HAN, DEOK SU; CHO, JONG YOUNG; KIM, WOO JOO; KANG, HYUN GOO
To: SK ENPULSE CO., LTD.; SK HYNIC INC.
Reel/Frame 069157/0937 →
Corrective Assignment to Correct the Correct the Second Assignee's Name in the Original Cover Sheet Previously Recorded at Reel: 69157 Frame: 937. Assignor(S) Hereby Confirms the Assignment.
Dec 3, 2024
From: HAN, DEOK SU; CHO, JONG YOUNG; KIM, WOO JOO; KANG, HYUN GOO
To: SK ENPULSE CO., LTD.; SK HYNIX INC.
Reel/Frame 069475/0942 →