Patent Assignment
Reel/Frame 012539/0818
New Cover Sheet to Correct Assignment Previously Recorded on Reel 01193, Frame 0152
Recorded: 2002-01-24
Pages: 2
Assignees
ANAM SEMICONDUCTOR INC
SUNGDONG-KU, 280-8 SUNGSU 2-GA, SEOUL 133-120, KOREA, REPUBLIC OF
AMKOR TECHNOLOGY, INC.
SUNGDONG-KU, 1900 SOUTH PRICE ROAD, CHANDLER, ARIZONA, 85248
Covered Property
(1)
Method of forming trench for semiconductor device isolation
Patent:
6,255,176 →
Application:
09/517,362 →
Related Assignments
(11)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 5, 2000
From: KIM, SEO-WON
To: ANAM SEMICONDUCTOR INC.; AMKOR TECHNOLOGY, INC.
Reel/Frame 011147/0438 →
Assignment of Assignor's Interest
Jun 18, 2001
From: KIM, SEO-WON; HYUN, YUN-WOONG
To: ANAM SEMICONDUCTOR, INC.; AMKOR TECHNOLOGY, INC.
Reel/Frame 011913/0152 →
Security Interest
Apr 23, 2003
From: AMKOR TECHNOLOGY, INC.; GUARDIAN ASSETS, INC.
To: CITICORP USA, INC. AS "COLLATERAL AGENT"
Reel/Frame 013974/0893 →
Security Agreement
Jul 6, 2004
From: AMKOR TECHNOLOGY, INC.; GUARDIAN ASSETS, INC.
To: CITICORP NORTH AMERICA, INC. AS ADMINISTRATIVE AGENT
Reel/Frame 014885/0691 →
Release of Lien on Patents
Jul 16, 2004
From: CITICORP USA, INC. AS COLLATERAL AGENT
To: AMKOR TECHNOLOGY, INC.
Reel/Frame 015603/0572 →
Security Agreement
Nov 2, 2004
From: AMKOR TECHNOLOGY, INC.; GUARDIAN ASSETS, INC.
To: CITICORP NORTH AMERICA, INC. AS "AGENT"
Reel/Frame 015942/0521 →
Change of Name
Apr 6, 2005
From: ANAM SEMICONDUCTOR, INC.
To: DONGBUANAM SEMICONDUCTOR INC.
Reel/Frame 016301/0456 →
Termination & Release of Patent Security Agreement
Jan 3, 2006
From: CITICORP NORTH AMERICA, INC.
To: AMKOR TECHNOLOGY, INC.
Reel/Frame 017388/0868 →
Security Agreement
Jan 3, 2006
From: AMKOR TECHNOLOGY, INC.
To: BANK OF AMERICA, N.A.
Reel/Frame 017379/0630 →
Security Interest
Aug 1, 2018
From: AMKOR TECHNOLOGY, INC.
To: BANK OF AMERICA, N.A., AS AGENT
Reel/Frame 046683/0139 →
Assignment of Assignor's Interest
Oct 9, 2020
From: AMKOR TECHNOLOGY, INC.
To: AMKOR TECHNOLOGY SINGAPORE HOLDING PTE.LTD.
Reel/Frame 054036/0599 →