Patent Assignment
Reel/Frame 017331/0825
Assignment of Assignor's Interest
Recorded: 2006-03-10
Pages: 4
Assignor
HITACHI, LTD.
Executed: 2006-02-22
Assignee
HITACHI GLOBAL STORAGE TECHNOLOGIES JAPAN, LTD.
2880, KOZU, ODAWARA-SHI, KANAGAWA-KEN, JAPAN
Covered Properties
(19)
Equalizer Having a Processing Unit for Selecting a Coefficient Out of a Coefficient Table
Patent:
5,970,091 →
Application:
08/756,648 →
Equalizer Having a Processing Unit for Selecting a Coefficient Out of a Coefficient Table
Patent:
6,144,515 →
Application:
09/229,561 →
Equalizer and magnetically recorded-signal reproducer
Patent:
6,304,402 →
Application:
09/637,498 →
Signal Processing Circuit
Magnetic Disk Drive
Magnetic Recording Medium and Magnetic Recording Apparatus
Magnetic Head Slider Having Optimized Ratio of Negative Pressure Bearing to a Front or Center Step Bearing
Magnetic Recording Disk Drive
Combination Perpendicular Magnetic Head Having Shield Material Formed at Both Ends of an Upper Pole of a Write Element
Data Recording/Readback Method and Data Recording/Readback Device for the Same
Perpendicular Magnetic Recording Medium, Manufacturing Process of the Same, and Magnetic Storage Apparatus Using the Same
A Method for Manufacturing a Magnetic Head for Perpendicular Recording
Magnetic Recording Medium and Its Manufacturing Method and Magnetic Recording System Using Such a Magnetic Recording Medium
Method and Apparatus for Data Reproducing in Information Storage System
Application:
10/854,166 →
Publication:
US 2004/0252399
Perpendicular Magnetic Recording Media
Disk Drive Having Magnetic Head Conduction Paths with Arrangements to Control Impedance
Data Synchronizing Signal Detecting Device
Additional Fringe Field Shield for a Superconducting Magnet Coil System
Magnetic Head Slider with Side Pads Which Each Have a Width W and a Length L, Wherein W>L
Related Assignments
(11)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 18, 2004
From: SCHWARTZKOPF, WADE
To: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Reel/Frame 014347/0746 →
Assignment of Assignor's Interest
Nov 15, 2004
From: WESTPHAL, MICHAEL
To: BRUKER BIOSPIN GMBH
Reel/Frame 015992/0846 →
Assignment of Assignor's Interest
Mar 7, 2005
From: TANAHASHI, KIWAMU; ARAI, REIKO; KIKUGAWA, ATSUSHI
To: HITACHI, LTD.
Reel/Frame 015845/0008 →
Assignment of Assignor's Interest
Dec 5, 2016
From: HGST NETHERLANDS B.V.
To: WESTERN DIGITAL TECHNOLOGIES, INC.
Reel/Frame 040819/0450 →
Assignment of Assignor's Interest
Dec 5, 2016
From: HGST NETHERLANDS B.V.
To: WESTERN DIGITAL TECHNOLOGIES, INC.
Reel/Frame 040818/0551 →
Assignment of Assignor's Interest
Dec 5, 2016
From: HGST NETHERLANDS B.V.
To: WESTERN DIGITAL TECHNOLOGIES, INC.
Reel/Frame 040820/0802 →
Change of Name
Dec 11, 2019
From: HITACHI GLOBAL STORAGE TECHNOLOGIES JAPAN, LTD.
To: HGST JAPAN, LTD.
Reel/Frame 051252/0372 →
Assignment of Assignor's Interest
Dec 18, 2019
From: HGST JAPAN, LTD.
To: WESTERN DIGITAL TECHNOLOGIES, INC.
Reel/Frame 051325/0022 →
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 →
Nunc Pro Tunc Assignment
Jun 17, 2024
From: BRUKER BIOSPIN GMBH
To: BRUKER BIOSPIN GMBH & CO. KG
Reel/Frame 067767/0336 →