Patent Assignment
Reel/Frame 014975/0575
Assignment of Assignor's Interest
Recorded: 2004-02-13
Pages: 3
Assignor
LEE, KAE HOON
Executed: 2004-01-09
Assignee
ANAM SEMICONDUCTOR INC.
891-10 DAECHI-DONG, GANGNAM-GU, SEOUL, KOREA, REPUBLIC OF
Covered Property
(1)
Methods for Forming a Device Isolating Barrier and Methods for Forming a Gate Electrode Using the Same
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
May 31, 2005
From: ANAM SEMICONDUCTOR INC.; ANAM SEMICONDUCTOR INC.
To: DONGBUANAM SEMICONDUCTOR, INC., A KOREAN CORPORATION
Reel/Frame 016593/0917 →
Change of Name
May 30, 2006
From: DONGANAM SEMICONDUCTOR INC.
To: DONGBU ELECTRONICS CO., LTD.
Reel/Frame 017703/0499 →
Corrective Assignment to Correct the Assignor Previously Recorded on Reel 017703 Frame 0499. Assignor(S) Hereby Confirms the Assignor Should Be "Dongbuanam Semiconductor Inc.".
Jun 28, 2006
From: DONGBUANAM SEMICONDUCTOR INC.
To: DONGBU ELECTRONICS CO., LTD.
Reel/Frame 017854/0297 →
Merger and Change of Name
Nov 29, 2017
From: DONGBU ELECTRONICS CO., LTD.; DONGBU HITEK CO., LTD.
To: DONGBU HITEK CO., LTD.
Reel/Frame 044533/0523 →
Change of Name
Nov 30, 2017
From: DONGBU HITEK CO., LTD.
To: DB HITEK CO., LTD
Reel/Frame 044555/0913 →
Assignment of Assignor's Interest
Jul 10, 2019
From: DB HITEK CO., LTD.
To: COLUMBA TECHNOLOGIES INC.
Reel/Frame 049709/0857 →
Assignment of Assignor's Interest
Jun 5, 2020
From: COLUMBA TECHNOLOGIES, INC.
To: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
Reel/Frame 052845/0474 →