IP Library Assignment 023522/0699
Patent Assignment
Reel/Frame 023522/0699

Assignment of Assignor's Interest

Recorded: 2009-11-16 Pages: 2
Assignor
LEE, WON-KWON
Executed: 2009-10-30
Assignee
MAGNACHIP SEMICONDUCTOR, LTD.
1 HYANGJEONG-DONG, HEUNGDUK-GU, CHEONGJU-SI, CHUNGCHEONGBUK-DO, 361-725, KOREA, REPUBLIC OF
Covered Property (1)
Method for Forming Deep Trench in Semiconductor Device
Patent: 8,338,309 →
Application: 12/619,125 →
Publication: US 2010/0159669
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 3, 2020
From: MAGNACHIP SEMICONDUCTOR, LTD.
To: KEY FOUNDRY CO., LTD.
Reel/Frame 053703/0227 →
Change of Name Mar 12, 2024
From: KEY FOUNDRY CO., LTD.
To: SK KEYFOUNDRY INC.
Reel/Frame 066794/0290 →