IP Library Assignment 023321/0133
Patent Assignment
Reel/Frame 023321/0133

Assignment of Assignor's Interest

Recorded: 2009-10-02 Pages: 2
Assignor
PARK, CHO EUNG
Executed: 2009-09-30
Assignee
DONGBU HITEK CO., LTD.
891-10, DAECHI-DONG, KANGNAM-KU, SEOUL, KOREA, REPUBLIC OF
Covered Property (1)
Power Semiconductor Device and Method of Manufacturing the Same
Patent: 8,067,293 →
Application: 12/572,240 →
Publication: US 2010/0148254
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 →