Patent Assignment
Reel/Frame 015768/0138
Assignment of Assignor's Interest
Recorded: 2005-02-22
Pages: 2
Assignor
LEE, SANG BUM
Executed: 2005-02-07
Assignee
DONGBUANAM SEMICONDUCTOR INC.
891-10, DAECHI-DONG, KANGNAM-KU, SEOUL, 135-523, KOREA, REPUBLIC OF
Covered Property
(1)
Mono Gate Memory Device and Fabricating Method Thereof
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 29, 2004
From: LEE, SANG BUM
To: DONGBUANAM SEMICONDUCTOR INC.
Reel/Frame 016155/0170 →
Change of Name
May 22, 2006
From: DONGANAM SEMICONDUCTOR INC.
To: DONGBU ELECTRONICS CO., LTD.
Reel/Frame 017654/0078 →
Corrective Assignment to Correct the Assignor Previously Recorded on Reel 017654 Frame 0078. Assignor(S) Hereby Confirms the Assignor Should Be "Dongbuanam Semiconductor Inc.".
Jun 22, 2006
From: DONGBUANAM SEMICONDUCTOR INC.
To: DONGBU ELECTRONICS CO., LTD.
Reel/Frame 017829/0911 →
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 →