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Mantle Man-Hon Yu
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San Jose, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Techniques for identifying servo sectors in storage devices
Patent number
7,869,152
Issue date
Jan 11, 2011
Hitachi Global Storage Technologies Netherlands, B.V.
Mario Blaum
G11 - INFORMATION STORAGE
Information
Patent Grant
Read write offset error correction using geometric reference in sel...
Patent number
7,586,709
Issue date
Sep 8, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Craig Fukushima
G11 - INFORMATION STORAGE
Information
Patent Grant
Write element before read element with early servo termination on w...
Patent number
7,551,379
Issue date
Jun 23, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Mantle Yu
G11 - INFORMATION STORAGE
Information
Patent Grant
Motor drive circuitry with regenerative braking for disk drive
Patent number
7,309,967
Issue date
Dec 18, 2007
Hitachi Global Storage Technologies Netherlands B.V.
Michael A. Moser
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for operating disk drive having improved timing marks
Patent number
7,227,710
Issue date
Jun 5, 2007
Hitachi Global Storage Technologies Netherlands B.V.
Mario Blaum
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive having improved timing marks
Patent number
7,042,666
Issue date
May 9, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Mario Blaum
G11 - INFORMATION STORAGE
Information
Patent Grant
Adaptive servo estimator and compensator for coil and carriage defo...
Patent number
6,594,106
Issue date
Jul 15, 2003
International Business Machines Corporation
Louis Joseph Serrano
G11 - INFORMATION STORAGE
Information
Patent Grant
Tangential misalignment precompensation in a direct access storage...
Patent number
6,577,463
Issue date
Jun 10, 2003
International Business Machines Corporation
Gregory Michael Frees
G11 - INFORMATION STORAGE
Information
Patent Grant
Multiple and reconfigurable data access and storage device using mu...
Patent number
6,563,657
Issue date
May 13, 2003
International Business Machines Corporation
Louis Joseph Serrano
G11 - INFORMATION STORAGE
Information
Patent Grant
System, method and program for determining the magnetic center shif...
Patent number
6,522,495
Issue date
Feb 18, 2003
International Business Machines Corporation
Bernd Lamberts
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for providing feedforward control of two inter...
Patent number
6,519,109
Issue date
Feb 11, 2003
International Business Machines Corporation
Kirk Barrows Price
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and system for adaptive settle and write inhibit constraints...
Patent number
6,469,855
Issue date
Oct 22, 2002
International Business Machines Corporation
Bernd Lamberts
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive with information encoded in the position error signal fi...
Patent number
6,462,898
Issue date
Oct 8, 2002
International Business Machines Corporation
Mario Blaum
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for reducing track misregistration due to digi...
Patent number
6,456,450
Issue date
Sep 24, 2002
International Business Machines Corporation
Wei-Min Lu
G05 - CONTROLLING REGULATING
Information
Patent Grant
Settle time estimator feedback for rotational position reordering i...
Patent number
6,426,843
Issue date
Jul 30, 2002
International Business Machines Corporation
Bernd Lamberts
G11 - INFORMATION STORAGE
Information
Patent Grant
Linearity compensation for a position error signal based on repeata...
Patent number
6,421,198
Issue date
Jul 16, 2002
International Business Machines Corporation
Bernd Lamberts
G11 - INFORMATION STORAGE
Information
Patent Grant
Adaptive head address re-map for data storage devices
Patent number
6,412,058
Issue date
Jun 25, 2002
International Business Machines Corporation
George Robert Houston
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for providing spindle motor control for head load...
Patent number
6,388,832
Issue date
May 14, 2002
International Business Machines Corporation
Jeffrey Joseph Dobbek
G11 - INFORMATION STORAGE
Information
Patent Grant
Multiplexing servo tracking signals in a disk drive
Patent number
6,384,998
Issue date
May 7, 2002
International Business Machines Corporation
Kirk Barrows Price
G11 - INFORMATION STORAGE
Information
Patent Grant
Variable pulse PWM DAC method and apparatus
Patent number
6,362,766
Issue date
Mar 26, 2002
International Business Machines Corporation
Bryan Scott Rowan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Early write enable with off-track write protection
Patent number
6,313,964
Issue date
Nov 6, 2001
International Business Machines
Bernd Lamberts
G11 - INFORMATION STORAGE
Information
Patent Grant
Encoded TID with error detection and correction ability
Patent number
6,226,138
Issue date
May 1, 2001
International Business Machines Corporation
Mario Blaum
G11 - INFORMATION STORAGE
Information
Patent Grant
Shock detector in a disk drive servo control system
Patent number
6,226,140
Issue date
May 1, 2001
International Business Machines Corporation
Louis Joseph Serrano
G11 - INFORMATION STORAGE
Information
Patent Grant
Hardware inhibit for a disk drive digital servo control system
Patent number
6,215,608
Issue date
Apr 10, 2001
International Business Machines Corporation
Louis Joseph Serrano
G11 - INFORMATION STORAGE
Information
Patent Grant
Self servo rewrite method and apparatus
Patent number
6,181,500
Issue date
Jan 30, 2001
International Business Machines Corporation
Louis Joseph Serrano
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage disk with information encoded in the position error si...
Patent number
6,141,176
Issue date
Oct 31, 2000
International Business Machines Corporation
Mario Blaum
G11 - INFORMATION STORAGE
Information
Patent Grant
System and method for determining when hard disk drive power amplif...
Patent number
6,088,188
Issue date
Jul 11, 2000
International Business Machines Corporation
Louis Joseph Serrano
G11 - INFORMATION STORAGE
Information
Patent Grant
Gain control for a dual burst, dual frequency PES servo pattern
Patent number
6,078,445
Issue date
Jun 20, 2000
International Business Machines Corporation
Louis Joseph Serrano
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for controlling spindle motor commutation swit...
Patent number
6,067,202
Issue date
May 23, 2000
International Business Machines Corporation
Bryan Scott Rowan
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for encoding digital servo information in a se...
Patent number
6,049,438
Issue date
Apr 11, 2000
International Business Machines Corporation
Louis Joseph Serrano
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Distributed track identifier on a hard disk drive
Publication number
20090168227
Publication date
Jul 2, 2009
Mario Blaum
G11 - INFORMATION STORAGE
Information
Patent Application
Read write offset error correction using geometric reference in sel...
Publication number
20090086365
Publication date
Apr 2, 2009
Craig Fukushima
G11 - INFORMATION STORAGE
Information
Patent Application
Techniques For Identifying Servo Sectors In Storage Devices
Publication number
20080204926
Publication date
Aug 28, 2008
Hitachi Global Technologies Netherlands, B.V.
Mario Blaum
G11 - INFORMATION STORAGE
Information
Patent Application
Write element before read element with early servo termination on w...
Publication number
20080084629
Publication date
Apr 10, 2008
Hitachi Global Storage Technologies Netherlands B.V.
Mantle Yu
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD FOR CALIBRATING DISK DRIVE SERVO CONTROL SYSTEM GAIN VALUES...
Publication number
20050219737
Publication date
Oct 6, 2005
Craig N. Fukushima
G11 - INFORMATION STORAGE
Information
Patent Application
Motor drive circuitry with regenerative braking for disk drive
Publication number
20050218846
Publication date
Oct 6, 2005
Hitachi Global Storage Technologies Netherlands, B.V.
Michael A. Moser
G11 - INFORMATION STORAGE
Information
Patent Application
Disk drive having improved timing marks
Publication number
20050068651
Publication date
Mar 31, 2005
Mario Blaum
G11 - INFORMATION STORAGE
Information
Patent Application
Method for operating disk drive having improved timing marks
Publication number
20050068663
Publication date
Mar 31, 2005
Mario Blaum
G11 - INFORMATION STORAGE
Information
Patent Application
Radial self-propagation pattern generation for disk file servowriting
Publication number
20040123025
Publication date
Jun 24, 2004
Timothy J. Chainer
G11 - INFORMATION STORAGE
Information
Patent Application
Method, system, and program for generating control signals to perfo...
Publication number
20040037000
Publication date
Feb 26, 2004
International Business Machines Corporation
Mantle Man-Hon Yu
G11 - INFORMATION STORAGE
Information
Patent Application
Method, system, and program for estimating coil resistance of a voi...
Publication number
20030179486
Publication date
Sep 25, 2003
International Business Machines Corporation
Peter Kui Ho
G11 - INFORMATION STORAGE
Information
Patent Application
Embedded servo patterning methods and apparatus
Publication number
20030151840
Publication date
Aug 14, 2003
George Anthony Dunn
G11 - INFORMATION STORAGE