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William C. Cain
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Foothill Ranch, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Disk drive using non-volatile cache when garbage collecting log str...
Patent number
9,563,397
Issue date
Feb 7, 2017
Western Digital Technologies, Inc.
Kroum S. Stoev
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Hybrid drive converting non-volatile semiconductor memory to read o...
Patent number
9,146,875
Issue date
Sep 29, 2015
Western Digital Technologies, Inc.
William B. Boyle
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Hybrid drive writing copy of data to disk when non-volatile semicon...
Patent number
8,825,977
Issue date
Sep 2, 2014
Western Digital Technologies, Inc.
Mei-Man L. Syu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Hybrid drive comprising write cache spanning non-volatile semicondu...
Patent number
8,639,872
Issue date
Jan 28, 2014
Western Digital Technologies, Inc.
William B. Boyle
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Performing backup operations to peripheral data storage systems
Patent number
7,302,579
Issue date
Nov 27, 2007
Western Digital Technologies, Inc.
William C. Cain
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Peripheral data storage system with multi-state user display
Patent number
7,302,501
Issue date
Nov 27, 2007
Western Digital Technologies, Inc.
William C. Cain
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Switching interfaces in external disk drives
Patent number
7,237,054
Issue date
Jun 26, 2007
Western Digital Technologies, Inc.
William C. Cain
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Hard disk drive for perpendicular recording with transducer having...
Patent number
7,095,585
Issue date
Aug 22, 2006
Seagate Technology LLC
Alexander P. Payne
G11 - INFORMATION STORAGE
Information
Patent Grant
Contact planar magnetoresistive head
Patent number
6,535,361
Issue date
Mar 18, 2003
Censtor Corp.
William C. Cain
G11 - INFORMATION STORAGE
Information
Patent Grant
Planar magnetic ring head for contact recording with a rigid disk
Patent number
6,493,191
Issue date
Dec 10, 2002
Censtor Corporation
William C. Cain
G11 - INFORMATION STORAGE
Information
Patent Grant
Hard disk drive having ring head with predominantly perpendicular m...
Patent number
6,320,725
Issue date
Nov 20, 2001
Censtor Corporation
Alexander P. Payne
G11 - INFORMATION STORAGE
Information
Patent Grant
Hard disk drive with magnetoresistive head and perpendicular media
Patent number
6,212,047
Issue date
Apr 3, 2001
Censtor Corporation
Alexander P. Payne
G11 - INFORMATION STORAGE
Information
Patent Grant
Contact planar magnetoresistive head
Patent number
6,198,607
Issue date
Mar 6, 2001
Censtor Corporation
William C. Cain
G11 - INFORMATION STORAGE
Information
Patent Grant
Planar recording head having formed yokes
Patent number
6,008,969
Issue date
Dec 28, 1999
Read-Rite Corporation
Darren T. Imai
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistive read head having an exchange layer
Patent number
5,966,272
Issue date
Oct 12, 1999
Read-Rite Corporation
William Charles Cain
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head structure with reduction of magnetic domain instability
Patent number
5,617,278
Issue date
Apr 1, 1997
Read-Rite Corporation
Shih-Cheng Cheng
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistive sensor with flux keepered spin valve configuration
Patent number
5,508,867
Issue date
Apr 16, 1996
William C. Cain
B82 - NANO-TECHNOLOGY
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
Magnetoresistive structure with contiguous junction hard bias desig...
Patent number
5,438,470
Issue date
Aug 1, 1995
Read-Rite Corporation
Durga Ravipati
G11 - INFORMATION STORAGE
Information
Patent Grant
Current biased magnetoresistive spin valve sensor
Patent number
5,301,079
Issue date
Apr 5, 1994
International Business Machines Corporation
William C. Cain
B82 - NANO-TECHNOLOGY
Patents Applications
last 30 patents
Information
Patent Application
Hard disk drive for perpendicular recording with transducer having...
Publication number
20050094315
Publication date
May 5, 2005
Seagate Technology LLC, a Delaware corporation
Alexander P. Payne
G11 - INFORMATION STORAGE
Information
Patent Application
Hard disk drive for perpendicular recording with transducer having...
Publication number
20020093761
Publication date
Jul 18, 2002
Alexander P. Payne
G11 - INFORMATION STORAGE
Information
Patent Application
Contact planar magnetoresistive head
Publication number
20010055183
Publication date
Dec 27, 2001
William C. Cain
G11 - INFORMATION STORAGE