IP Library Assignment 018455/0047
Patent Assignment
Reel/Frame 018455/0047

Assignment of Assignor's Interest

Recorded: 2006-10-30 Pages: 4
Assignor
KIM, CHANG NAM
Executed: 2006-10-27
Assignee
DONGBU ELECTRONICS CO., LTD.
891-10 DAECHI-DONG, GANGNAM-GU, SEOUL, 135-280, KOREA, REPUBLIC OF
Covered Property (1)
Method of Manufacturing Isolation Layer Pattern in a Semiconductor Device and Isolation Layer Pattern Using the Same
Patent: 7,645,680 →
Application: 11/553,978 →
Publication: US 2007/0099393
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →