IP Library › Assignment 017426/0398
Patent Assignment
Reel/Frame 017426/0398

Assignment of Assignor's Interest

Recorded: 2005-12-30 Pages: 2
Assignor
KANG, JAE HYUN
Executed: 2005-12-27
Assignee
DONGBUANAM SEMICONDUCTOR INC.
891-10, DAECHI-DONG, KANGNAM-KU, SEOUL, KOREA, REPUBLIC OF
Covered Property (1)
Semiconductor Device and Method for Manufacturing the Same Including Two Antireflective Coating Films
Patent: 7,625,822 →
Application: 11/320,624 →
Publication: US 2007/0059937
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 018099/0281 →
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 →