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Mason Lamar Williams
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San Jose, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Log-structured file system for disk drives with shingled writing
Patent number
8,108,602
Issue date
Jan 31, 2012
Hitachi Global Storage Technologies Netherlands B.V.
Richard M. H. New
G11 - INFORMATION STORAGE
Information
Patent Grant
Log-structured file system for disk drives with shingled writing
Patent number
7,996,645
Issue date
Aug 9, 2011
Hitachi Global Storage Technologies Netherlands B.V.
Richard M. H. New
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus for providing a reverse air bearing surface head with tra...
Patent number
7,978,430
Issue date
Jul 12, 2011
Hitachi Global Storage Technologies Netherlands B.V.
Quang Le
G11 - INFORMATION STORAGE
Information
Patent Grant
System and method for writing data to dedicated bands of a hard dis...
Patent number
7,490,212
Issue date
Feb 10, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Prakash Kasiraj
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular recording head with floating-trailing shield extendin...
Patent number
7,440,230
Issue date
Oct 21, 2008
Hitachi Global Storage Technologies Netherlands B.V.
Yimin Hsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of fabricating a head for perpendicular magnetic recording w...
Patent number
7,367,112
Issue date
May 6, 2008
Hitachi Global Storage Technologies Netherlands B.V.
James L. Nix
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording disk drive having read head with high cross-trac...
Patent number
7,317,596
Issue date
Jan 8, 2008
Hitachi Global Storage Technologies Netherlands B.V.
Thomas R. Albrecht
G11 - INFORMATION STORAGE
Information
Patent Grant
Head for perpendicular recording with a floating trailing shield
Patent number
7,196,871
Issue date
Mar 27, 2007
Hitachi Global Storage Technologies Netherlands B.V.
Yimin Hsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic transducer for perpendicular magnetic recording with singl...
Patent number
7,009,812
Issue date
Mar 7, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Yimin Hsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Head for perpendicular magnetic recording with a shield structure c...
Patent number
7,002,775
Issue date
Feb 21, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Yimin Hsu
G11 - INFORMATION STORAGE
Information
Patent Grant
System and method for writing HDD depending on direction of head skew
Patent number
6,967,810
Issue date
Nov 22, 2005
Hitachi Global Storage Technologies Netherlands B.V.
Prakash Kasiraj
G11 - INFORMATION STORAGE
Information
Patent Grant
High data rate write head
Patent number
6,952,326
Issue date
Oct 4, 2005
Hitachi Global Storage Technologies Netherlands B.V.
Yimin Hsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular recording write head with a ferromagnetic shaping layer
Patent number
6,757,141
Issue date
Jun 29, 2004
Hitachi Global Storage Technologies Netherlands B.V.
Hugo Alberto Emilio Santini
G11 - INFORMATION STORAGE
Information
Patent Grant
High data rate write head
Patent number
6,693,769
Issue date
Feb 17, 2004
Hitachi Global Storage Technologies Netherlands B.V.
Yimin Hsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Inductive magnetic recording head with impedance matching elements
Patent number
6,603,623
Issue date
Aug 5, 2003
International Business Machines Corporation
Robert E. Fontana
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for recording with ultra low force
Patent number
6,271,995
Issue date
Aug 7, 2001
International Business Machines Corporation
Robert Edward Fontana
G11 - INFORMATION STORAGE
Information
Patent Grant
Laminated yoke head with a domain control element
Patent number
6,259,583
Issue date
Jul 10, 2001
International Business Machines, Corporation
Robert Edward Fontana
G11 - INFORMATION STORAGE
Information
Patent Grant
Scaled write head with high recording density and high data rate
Patent number
6,181,514
Issue date
Jan 30, 2001
International Business Machines Corporation
Hugo Alberto Emilio Santini
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tunnel junction magnetoresistive read head with sensing la...
Patent number
5,901,018
Issue date
May 4, 1999
International Business Machines Corporation
Robert Edward Fontana
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive with identical top and bottom heads having three side-by...
Patent number
5,896,249
Issue date
Apr 20, 1999
International Business Machines Corporation
Robert Edward Fontana
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive with identical three-element, side-by-side heads on oppo...
Patent number
5,798,890
Issue date
Aug 25, 1998
International Business Machines Corporation
Robert Edward Fontana
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for recording with ultra low force
Patent number
5,745,979
Issue date
May 5, 1998
International Business Machines Corporation
Robert Edward Fontana
G11 - INFORMATION STORAGE
Information
Patent Grant
Controlled saturation thin film magnetic write head
Patent number
5,600,519
Issue date
Feb 4, 1997
International Business Machines Corporation
David E. Heim
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of making a integrated transducer-suspension assembly for ve...
Patent number
5,560,097
Issue date
Oct 1, 1996
International Business Machines Corporation
Christopher H. Bajhorek
G11 - INFORMATION STORAGE
Information
Patent Grant
Yoke spin valve MR read head
Patent number
5,493,467
Issue date
Feb 20, 1996
International Business Machines Corporation
William C. Cain
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method of making integral transducer-suspension assemblies for long...
Patent number
5,454,158
Issue date
Oct 3, 1995
International Business Machines Corporation
Robert E. Fontana
G11 - INFORMATION STORAGE
Information
Patent Grant
Integrated transducer-suspension assembly for vertical recording
Patent number
5,408,373
Issue date
Apr 18, 1995
International Business Machines Corporation
Christopher H. Bajorek
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording head with integrated magnetoresistive element an...
Patent number
5,164,869
Issue date
Nov 17, 1992
International Business Machines Corporation
Robert E. Fontana
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head slider employing superconductor for levitation
Patent number
5,114,913
Issue date
May 19, 1992
International Business Machines Corporation
Hans J. Coufal
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
LOG-STRUCTURE FILE SYSTEM FOR DISK DRIVES WITH SHINGLED WRITING
Publication number
20110075292
Publication date
Mar 31, 2011
Richard M. H. New
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method And Apparatus For Providing A Reverse Air Bearing Surface He...
Publication number
20080002292
Publication date
Jan 3, 2008
Hitachi Global Storage Technologies Netherlands B.V.
Quang Le
G11 - INFORMATION STORAGE
Information
Patent Application
Head for perpendicular magnetic recording with a self-aligning side...
Publication number
20070186408
Publication date
Aug 16, 2007
James L. Nix
G11 - INFORMATION STORAGE
Information
Patent Application
Head for perpendicular recording with a floating-trailing shield
Publication number
20070146930
Publication date
Jun 28, 2007
Yimin Hsu
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD OF MANUFACTURING A MAGNETIC HEAD WITH FLUX SHAPING LAYER
Publication number
20070103813
Publication date
May 10, 2007
Gautam Khera
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording disk drive having read head with high cross-trac...
Publication number
20060285257
Publication date
Dec 21, 2006
Thomas R. Albrecht
G11 - INFORMATION STORAGE
Information
Patent Application
Method and apparatus for providing a reverse air bearing surface he...
Publication number
20060023352
Publication date
Feb 2, 2006
Hitachi Global Technologies Netherlands B.V.
Quang Le
G11 - INFORMATION STORAGE
Information
Patent Application
Trailing edge taper design and method for making a perpendicular wr...
Publication number
20050219747
Publication date
Oct 6, 2005
HITACHI GLOBAL STORAGE TECHNOLOGIES
Yimin Hsu
G11 - INFORMATION STORAGE
Information
Patent Application
Head for perpendicular recording with a floating trailing shield
Publication number
20050068669
Publication date
Mar 31, 2005
Yimin Hsu
G11 - INFORMATION STORAGE
Information
Patent Application
System and method for writing HDD depending on direction of head skew
Publication number
20050068664
Publication date
Mar 31, 2005
Hitachi Global Storage Technologies
Prakash Kasiraj
G11 - INFORMATION STORAGE
Information
Patent Application
Head for perpendicular magnetic recording with a shield structure c...
Publication number
20050068678
Publication date
Mar 31, 2005
Yimin Hsu
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic transducer for perpendicular magnetic recording with singl...
Publication number
20050068671
Publication date
Mar 31, 2005
Yimin Hsu
G11 - INFORMATION STORAGE
Information
Patent Application
System and method for writing data to HDD in bands
Publication number
20050069298
Publication date
Mar 31, 2005
Hitachi Global Storage Technologies
Prakash Kasiraj
G11 - INFORMATION STORAGE
Information
Patent Application
Log-structured file system for disk drives with shingled writing
Publication number
20050071537
Publication date
Mar 31, 2005
Hitachi Global Storage Technologies
Richard M. H. New
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Magnetic head with flux shaping layer
Publication number
20050044699
Publication date
Mar 3, 2005
HITACHI GLOBAL STORAGE TECHNOLOGIES
Gautam Khera
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular recording magnetic head with a write shield magnetica...
Publication number
20050024766
Publication date
Feb 3, 2005
Hitachi Global Storage Technologies, Inc.
Gautam Khera
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic transducer with pedestal pole piece structure
Publication number
20050007697
Publication date
Jan 13, 2005
Yimin Hsu
G11 - INFORMATION STORAGE
Information
Patent Application
High data rate write head
Publication number
20040070872
Publication date
Apr 15, 2004
Hitachi Global Storage Technologies
Yimin Hsu
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular recording write head with a ferromagnetic shaping layer
Publication number
20030137779
Publication date
Jul 24, 2003
International Business Machines Corporation
Hugo Alberto Emilio Santini
G11 - INFORMATION STORAGE
Information
Patent Application
High data rate write head
Publication number
20020191349
Publication date
Dec 19, 2002
International Business Machines Corporation
Yimin Hsu
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic transducer with pedestal pole piece structure
Publication number
20020191334
Publication date
Dec 19, 2002
Yimin Hsu
G11 - INFORMATION STORAGE