IP Library › Assignment 017757/0397
Patent Assignment
Reel/Frame 017757/0397

Assignment of Assignor's Interest

Recorded: 2006-04-06 Pages: 2
Assignor
CHO, YONG SOO
Executed: 2006-03-06
Assignee
DONGBUANAM SEMICONDUCTOR INC.
891-10, DAECHI-DONG, GANGNAM-GU, SEOUL 135-280, KOREA, REPUBLIC OF
Covered Property (1)
Metal Oxide Semiconductor Field Effect Transistor and Method of Fabricating the Same
Patent: 7,675,126 →
Application: 11/320,302 →
Publication: US 2006/0163674
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Jul 13, 2006
From: DONGBUANAM SEMICONDUCTOR INC.
To: DONGBU ELECTRONICS CO., LTD.
Reel/Frame 018099/0256 →
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 →