Patent Assignment
Reel/Frame 021803/0548
Assignment of Assignor's Interest
Recorded: 2008-11-07
Pages: 3
Assignors
DUAN, SHANLIN
Executed: 2008-10-30
SHI, ZHUPEI
Executed: 2008-10-30
ZHANG, JANE JIE
Executed: 2008-10-30
ZHANG, KEZHAO
Executed: 2008-10-31
Assignee
HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
LOCATELLIKADE 1, PARNASSUSTOREN, 1076 AZ AMSTERDAM, NETHERLANDS
Covered Property
(1)
Determination of the Quality of an Erase Process for Perpendicular Magnetic Recording Disks
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Oct 25, 2012
From: HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
To: HGST NETHERLANDS B.V.
Reel/Frame 029341/0777 →
Assignment of Assignor's Interest
Dec 6, 2016
From: HGST NETHERLANDS B.V.
To: WESTERN DIGITAL TECHNOLOGIES, INC.
Reel/Frame 040826/0821 →
Security Interest
Feb 6, 2020
From: WESTERN DIGITAL TECHNOLOGIES, INC.
To: JPMORGAN CHASE BANK, N.A., AS AGENT
Reel/Frame 052915/0566 →
Release of Security Interest at Reel 052915 Frame 0566
Feb 8, 2022
From: JPMORGAN CHASE BANK, N.A.
To: WESTERN DIGITAL TECHNOLOGIES, INC.
Reel/Frame 059127/0001 →