IP Library › Assignment 017429/0768
Patent Assignment
Reel/Frame 017429/0768

Assignment of Assignor's Interest

Recorded: 2005-12-29 Pages: 3
Assignor
LEE, KYE-NAM
Executed: 2005-12-28
Assignee
DONGBUANAM SEMICONDUCTOR INC.
891-10, DAECHI-DONG, KANGNAM-KU, SEOUL, 135-523, KOREA, REPUBLIC OF
Covered Property (1)
Method of Forming a Stable Transistor by Dual Source/Drain Implantation
Patent: 7,452,780 →
Application: 11/320,301 →
Publication: US 2006/0148221
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Jul 12, 2006
From: DONGBUANAM SEMICONDUCTOR INC.
To: DONGBU ELECTRONICS CO., LTD.
Reel/Frame 018094/0024 →
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 →