Patent Assignment
Reel/Frame 021567/0352
Assignment of Assignor's Interest
Recorded: 2008-09-09
Pages: 2
Assignor
HITACHI, LTD.
Executed: 2003-11-20
Assignee
HITACHI GLOBAL STORAGE TECHNOLOGIES JAPAN, LTD.
2880 KOZU, ODAWARA-SHI, KANAGAWA-KEN 256-8510, JAPAN
Covered Property
(1)
Method of Servo Writing for Magnetic Recording System, Magnetic Recording System
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 9, 2008
From: NISHIDA, YASUTAKA; HAMAGUCHI, TAKEHIKO; SAWAGUCHI, HIDEKI; TAKANO, HISASHI
To: HITACHI, LTD.
Reel/Frame 021568/0527 →
Assignment of Assignor's Interest
Dec 6, 2016
From: HGST NETHERLANDS B.V.
To: WESTERN DIGITAL TECHNOLOGIES, INC.
Reel/Frame 040826/0821 →