IP Library Assignment 021142/0193
Patent Assignment
Reel/Frame 021142/0193

Assignment of Assignor's Interest

Recorded: 2008-06-24 Pages: 3
Assignor
PARK, SUNG KUN
Executed: 2008-06-22
Assignee
DONGBU HITEK CO., LTD.
891-10 DAECHI-DONG, GANGNAM-GU, SEOUL, 135-280, KOREA, REPUBLIC OF
Covered Property (1)
Method of Fabricating Non-Volatile Memory Device with Concavely Depressed Electron Injection Region
Patent: 7,923,327 →
Application: 12/144,755 →
Publication: US 2009/0001445
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Nov 30, 2017
From: DONGBU HITEK CO., LTD.
To: DB HITEK CO., LTD.
Reel/Frame 044559/0819 →
Assignment of Assignor's Interest Jul 10, 2019
From: DB HITEK CO., LTD.
To: COLUMBA TECHNOLOGIES INC.
Reel/Frame 049709/0857 →