Patent Assignment
Reel/Frame 014988/0619
Assignment of Assignor's Interest
Recorded: 2004-02-17
Pages: 3
Assignors
SHIMOTONO, SUSUMU
Executed: 2003-12-02
NOGUCHI, TETSUYA
Executed: 2003-12-02
OGAWA, MITSURU
Executed: 2003-12-02
TANAKA, AKIYOSHI
Executed: 2003-12-02
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property
(1)
Magnetic Disk Protection Mechanism, Computer System Comprising Protection Mechanism, Protection Method for Magnetic Disk, and Program for Protection Method
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 19, 2005
From: INTERNATIONAL BUSINESS MACHINES CORPORATION
To: HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
Reel/Frame 016259/0966 →
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 5, 2016
From: HGST NETHERLANDS B.V.
To: WESTERN DIGITAL TECHNOLOGIES, INC.
Reel/Frame 040820/0802 →