IP Library › Assignment 021568/0527
Patent Assignment
Reel/Frame 021568/0527

Assignment of Assignor's Interest

Recorded: 2008-09-09 Pages: 2
Assignors
NISHIDA, YASUTAKA
Executed: 2001-06-04
HAMAGUCHI, TAKEHIKO
Executed: 2001-06-05
SAWAGUCHI, HIDEKI
Executed: 2001-06-05
TAKANO, HISASHI
Executed: 2001-06-05
Assignee
HITACHI, LTD.
6-6, MARUNOUCHI 1-CHOME, CHIYODA-KU, TOKYO, JAPAN
Covered Property (1)
Method of Servo Writing for Magnetic Recording System, Magnetic Recording System
Patent: 7,839,590 →
Application: 12/230,989 →
Publication: US 2009/0021854
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: HITACHI, LTD.
To: HITACHI GLOBAL STORAGE TECHNOLOGIES JAPAN, LTD.
Reel/Frame 021567/0352 →
Assignment of Assignor's Interest Dec 6, 2016
From: HGST NETHERLANDS B.V.
To: WESTERN DIGITAL TECHNOLOGIES, INC.
Reel/Frame 040826/0821 →