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Raj Nagappan Thangaraj
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Fremont, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Passivated nitrogenated diamond-like carbon layer and method for pa...
Patent number
10,783,916
Issue date
Sep 22, 2020
Western Digital Technologies, Inc.
Daniel Bilich
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular media with Cr-doped Fe-alloy containing soft underlay...
Patent number
8,313,848
Issue date
Nov 20, 2012
Seagate Technology LLC
Raj Nagappan Thangaraj
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular media with Cr-doped Fe-alloy-containing soft underlay...
Patent number
7,998,606
Issue date
Aug 16, 2011
Seagate Technology LLC
Raj Nagappan Thangaraj
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Information
Patent Grant
Perpendicular media with Cr-doped Fe-alloy-containing soft underlay...
Patent number
7,566,508
Issue date
Jul 28, 2009
Seagate Technology LLC
Raj Nagappan Thangaraj
G11 - INFORMATION STORAGE
Information
Patent Grant
Granular perpendicular media with surface treatment for improved ma...
Patent number
7,169,488
Issue date
Jan 30, 2007
Seagate Technology LLC
Qixu Chen
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Information
Patent Grant
Perpendicular media with improved corrosion performance
Patent number
7,105,240
Issue date
Sep 12, 2006
Seagate Technology LLC
Zhong (Stella) Wu
G11 - INFORMATION STORAGE
Information
Patent Grant
Zone bonded lubrication for hard disk recording media
Patent number
6,800,349
Issue date
Oct 5, 2004
Seagate Technology LLC
Xiaoding Ma
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording media with Ru corrosion barrier layer
Patent number
6,680,106
Issue date
Jan 20, 2004
Seagate Technology LLC
Raj Thangaraj
G11 - INFORMATION STORAGE
Information
Patent Grant
Component of a magnetic recording medium with sealing layer for cor...
Patent number
6,660,413
Issue date
Dec 9, 2003
Seagate Technology LLC
Raj Thangaraj
G11 - INFORMATION STORAGE
Information
Patent Grant
Lubricant overcoat for recording media and a process for making the...
Patent number
6,627,302
Issue date
Sep 30, 2003
Seagate Technology LLC
Huan Tang
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Information
Patent Grant
Zone bonded lubrication for hard disk recording media
Patent number
6,602,570
Issue date
Aug 5, 2003
Seagate Technology LLC
Xiaoding Ma
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Information
Patent Grant
Corrosion resistant magnetic thin film media
Patent number
6,589,676
Issue date
Jul 8, 2003
Seagate Technology LLC
Jing Gui
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
GRANULAR PERPENDICULAR MAGNETIC RECORDING APPARATUS
Publication number
20130071693
Publication date
Mar 21, 2013
SEAGATE TECHNOLOGY LLC
Raj Thangaraj
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular Media with Cr-Doped Fe-Alloy Containing Soft Underlay...
Publication number
20120070694
Publication date
Mar 22, 2012
SEAGATE TECHNOLOGY LLC
Raj Nagappan Thangaraj
G11 - INFORMATION STORAGE
Information
Patent Application
GRANULAR PERPENDICULAR MEDIA WITH CORROSION-RESISTANT CAP LAYER FOR...
Publication number
20100124672
Publication date
May 20, 2010
Seagate Technology LLC
Raj Thangaraj
G11 - INFORMATION STORAGE
Information
Patent Application
PERPENDICULAR MEDIA WITH Cr-DOPED Fe-ALLOY-CONTAINING SOFT UNDERLAY...
Publication number
20100081012
Publication date
Apr 1, 2010
Seagate Technology LLC
Raj Nagappan Thangaraj
G11 - INFORMATION STORAGE
Information
Patent Application
Hcp soft underlayer
Publication number
20090011283
Publication date
Jan 8, 2009
Seagate Technology LLC
Erol Girt
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Information
Patent Application
Perpendicular recording media with Ta transition layer to improve...
Publication number
20080213628
Publication date
Sep 4, 2008
Seagate Technology LLC
Abebe Hailu
G11 - INFORMATION STORAGE
Information
Patent Application
Granular perpendicular magnetic recording media with improved corro...
Publication number
20080170329
Publication date
Jul 17, 2008
Seagate Technology LLC
Raj Thangaraj
G11 - INFORMATION STORAGE
Information
Patent Application
Amorphous soft magnetic layers for perpendicular magnetic recording...
Publication number
20080085427
Publication date
Apr 10, 2008
Seagate Technology LLC
Erol Girt
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Information
Patent Application
Perpendicular magnetic recording media with improved scratch damage...
Publication number
20080055777
Publication date
Mar 6, 2008
Seagate Technology LLC
Shanghsien (Alex) Rou
G11 - INFORMATION STORAGE
Information
Patent Application
Granular magnetic recording media with improved corrosion resistanc...
Publication number
20070087227
Publication date
Apr 19, 2007
Seagate Technology LLC
Xiaoding Ma
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular media with Cr-doped Fe-alloy-containing soft underlay...
Publication number
20060199044
Publication date
Sep 7, 2006
Seagate Technology LLC
Raj Nagappan Thangaraj
G11 - INFORMATION STORAGE
Information
Patent Application
Granular magnetic recording media with improved corrosion resistanc...
Publication number
20050181239
Publication date
Aug 18, 2005
Seagate Technology LLC
Xiaoding Ma
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular media with improved corrosion performance
Publication number
20040247942
Publication date
Dec 9, 2004
Seagate Technology LLC
Zhong (Stella) Wu
G11 - INFORMATION STORAGE
Information
Patent Application
Granular perpendicular media with surface treatment for improved ma...
Publication number
20040247941
Publication date
Dec 9, 2004
Qixu Chen
G11 - INFORMATION STORAGE
Information
Patent Application
Zone bonded lubrication for hard disk recording media
Publication number
20030211277
Publication date
Nov 13, 2003
Xiaoding Ma
G11 - INFORMATION STORAGE
Information
Patent Application
Protective overcoat layer for magnetic recording discs having enhan...
Publication number
20020119316
Publication date
Aug 29, 2002
Nisha Shukla
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...