IP Library › Assignment 012067/0822
Patent Assignment
Reel/Frame 012067/0822

Assignment of Assignor's Interest

Recorded: 2001-08-09 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.
CHIYODA-KU, 6, KANDA SURUGADAI 4-CHOME, TOKYO, JAPAN
Covered Property (1)
Method of Servo Writing for Magnetic Recording System, Magnetic Recording System
Patent: 7,075,743 →
Application: 09/924,762 →
Publication: US 2002/0057509
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 26, 2003
From: HITACHI, LTD.
To: HITACHI GLOBAL STORAGE TECHNOLOGIES, JAPAN, LTD.
Reel/Frame 014735/0928 →
Assignment of Assignor's Interest Dec 5, 2016
From: HGST NETHERLANDS B.V.
To: WESTERN DIGITAL TECHNOLOGIES, INC.
Reel/Frame 040820/0802 →