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Raquib Uddin Khan
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Pleasanton, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Electrostatic discharge apparatus for hub and spindle assemblies
Patent number
9,111,585
Issue date
Aug 18, 2015
Seagate Technology LLC
Raquib Uddin Khan
G11 - INFORMATION STORAGE
Information
Patent Grant
Electrostatic discharge apparatus for hub and spindle assemblies
Patent number
7,843,664
Issue date
Nov 30, 2010
Seagate Technology LLC
Raquib Uddin Khan
G11 - INFORMATION STORAGE
Information
Patent Grant
FDB motor with tapered shaft for improved pumping efficiency
Patent number
7,378,771
Issue date
May 27, 2008
Seagate Technology LLC
Jeffry A. Leblanc
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Radial capillary seal for fluid dynamic bearing motors
Patent number
7,241,051
Issue date
Jul 10, 2007
Seagate Technology LLC
Alan L. Grantz
G11 - INFORMATION STORAGE
Information
Patent Grant
Fluid dynamic bearing with wear resilient surface
Patent number
7,135,797
Issue date
Nov 14, 2006
Seagate Technology LLC
Raquib Uddin Khan
G11 - INFORMATION STORAGE
Information
Patent Grant
Refinement of spindle motor bearing gap
Patent number
6,961,214
Issue date
Nov 1, 2005
Seagate Technology LLC
Mohammad Mahbubul Ameen
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive spindle motor having hydrodynamic bearing working surfac...
Patent number
6,961,213
Issue date
Nov 1, 2005
Seagate Technology LLC
Mohammad Mahbubul Ameen
G11 - INFORMATION STORAGE
Information
Patent Grant
Lubricant reservoir for gas bearing
Patent number
6,955,472
Issue date
Oct 18, 2005
Seagate Technology LLC
Gregory Ian Rudd
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Hydrodynamic fluid bearing containing lubricants with reduced tempe...
Patent number
6,952,324
Issue date
Oct 4, 2005
Seagate Technology, LLC
Raquib U. Khan
G11 - INFORMATION STORAGE
Information
Patent Grant
Dynamic tilt limiter for fluid dynamic bearings
Patent number
6,927,515
Issue date
Aug 9, 2005
Seagate Technology, LLC
Klaus Kloeppel
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Antiwear lubrication coating for bearing surfaces for hydrodynamic...
Patent number
6,776,529
Issue date
Aug 17, 2004
Seagate Technology LLC
Raquib Uddin Khan
G11 - INFORMATION STORAGE
Information
Patent Grant
Lubricant reservoir for gas bearing
Patent number
6,749,340
Issue date
Jun 15, 2004
Seagate Technology LLC
Gregory Ian Rudd
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Motor with stationary shaft and high speed capillary seal
Patent number
6,679,501
Issue date
Jan 20, 2004
Seagate Technology LLC
Robert M. Pelstring
G11 - INFORMATION STORAGE
Information
Patent Grant
Hydrodynamic fluid bearing containing lubricants with reduced bubbl...
Patent number
6,678,115
Issue date
Jan 13, 2004
Seagate Technology LLC
Raquib Uddin Khan
G11 - INFORMATION STORAGE
Information
Patent Grant
High adhesion, wear resistant coatings for spindle motors in disk d...
Patent number
6,664,685
Issue date
Dec 16, 2003
Seagate Technology LLC
Mohammad M. Ameen
G11 - INFORMATION STORAGE
Information
Patent Grant
Outcast and reduction of lubricants from spindle motor by utilizing...
Patent number
6,421,201
Issue date
Jul 16, 2002
Raquib Uddin Khan
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc drive contamination reduction utilizing an inert coating
Patent number
6,417,987
Issue date
Jul 9, 2002
Seagate Technology LLC
Raquib U. Khan
G11 - INFORMATION STORAGE
Information
Patent Grant
Antiwear lubrication coating for bearing surfaces for hydrodynamic...
Patent number
6,394,654
Issue date
May 28, 2002
Seagate Technology LLC
Raquib Uddin Khan
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Both ends open fluid dynamic bearing having a journal in combinatio...
Patent number
6,292,328
Issue date
Sep 18, 2001
Seagate Technology LLC
Mohamed Mizanur Rahman
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Reduced stiction for disc drive hydrodynamic spindle motors
Patent number
6,242,831
Issue date
Jun 5, 2001
Seagate Technology, Inc.
Raquib U. Khan
G11 - INFORMATION STORAGE
Information
Patent Grant
Squeeze film damping for a hard disc drive
Patent number
6,239,943
Issue date
May 29, 2001
Seagate Technology LLC
David John Jennings
G11 - INFORMATION STORAGE
Information
Patent Grant
Spindle motor with fluid dynamic bearing having a journal bearing i...
Patent number
6,137,650
Issue date
Oct 24, 2000
Seagate Technology LLC
Gunter Karl Heine
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Both ends open fluid dynamic bearing having a journal in combinatio...
Patent number
6,130,802
Issue date
Oct 10, 2000
Seagate Technology, Inc.
Mohamed Mizanur Rahman
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Both ends open fluid dynamic bearing with multiple thrust plates
Patent number
6,069,767
Issue date
May 30, 2000
Seagate Technology, Inc.
Raquib Uddin Khan
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Spindle motor with multiple thrust plate fluid dynamic bearing
Patent number
6,069,768
Issue date
May 30, 2000
Seagate Technology, Inc.
Gunter Karl Heine
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Thermal compensation for fluid dynamic bearing using bimetal parts
Patent number
6,065,877
Issue date
May 23, 2000
Seagate Technology, Inc.
Hans Leuthold
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Spindle motor with multiple thrust plate fluid dynamic bearing
Patent number
6,005,748
Issue date
Dec 21, 1999
Seagate Technology, Inc.
Gunter Karl Heine
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Multifluid application in hydrodynamic fluid bearing to reduce evap...
Patent number
5,997,179
Issue date
Dec 7, 1999
Seagate Technology, Inc.
Raquib Uddin Khan
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Fluid retention principle for hydrodynamic bearings
Patent number
5,993,066
Issue date
Nov 30, 1999
Seagate Technology, Inc.
Hans Leuthold
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Disc drive hydro bearing lubricant with electrically conductive, no...
Patent number
5,940,246
Issue date
Aug 17, 1999
Seagate Technolog, Inc.
Raquib U. Khan
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
HYDRODYNAMIC DISC DRIVE SPINDLE MOTOR HAVING HYDRO BEARING WITH LUB...
Publication number
20130082556
Publication date
Apr 4, 2013
Seagate Technology LLC
Raquib Uddin Khan
G11 - INFORMATION STORAGE
Information
Patent Application
HYDRODYNAMIC DISC DRIVE SPINDLE MOTOR HAVING HYDRO BEARING WITH LUB...
Publication number
20120068564
Publication date
Mar 22, 2012
Seagate Technology LLC
Raquib Uddin Khan
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
HYDRODYNAMIC DISC DRIVE SPINDLE MOTOR HAVING HYDRO BEARING WITH LUB...
Publication number
20120050916
Publication date
Mar 1, 2012
Seagate Technology LLC
Raquib Uddin Khan
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
HYDRODYNAMIC DISC DRIVE SPINDLE MOTORS HAVING HYDRO BEARING WITH LU...
Publication number
20110187216
Publication date
Aug 4, 2011
Seagate Technology LLC
Raquib Uddin Khan
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
ELECTROSTATIC DISCHARGE APPARATUS FOR HUB AND SPINDLE ASSEMBLIES
Publication number
20110032639
Publication date
Feb 10, 2011
Seagate Technology LLC
Raquib Uddin Khan
G11 - INFORMATION STORAGE
Information
Patent Application
THIN LIQUID FILM FOR A SPINDLE MOTOR GAS BEARING SURFACE
Publication number
20090324147
Publication date
Dec 31, 2009
Raquib U. Khan
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
WEAR REDUCTION IN FDB BY ENHANCING LUBRICANTS WITH NANOPARTICLES
Publication number
20090033164
Publication date
Feb 5, 2009
Seagate Technology LLC
Raquib Uddin Khan
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
FDB MOTOR WITH TAPERED SHAFT FOR IMPROVED PUMPING EFFICIENCY
Publication number
20080261708
Publication date
Oct 23, 2008
Seagate Technology LLC
Jeffry A. LeBlanc
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Disk drive compatible new esters for FDB applications with optimize...
Publication number
20080211333
Publication date
Sep 4, 2008
Seagate Technology LLC
Raquib Uddin Khan
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Freezing point reduction in FDB by enhancing lubricants with additives
Publication number
20080024919
Publication date
Jan 31, 2008
Seagate Technology LLC
Raquib U. Khan
G11 - INFORMATION STORAGE
Information
Patent Application
Electrostatic discharge apparatus for hub and spindle assemblies
Publication number
20070183089
Publication date
Aug 9, 2007
Seagate Technology LLC
Raquib Uddin Khan
G11 - INFORMATION STORAGE
Information
Patent Application
Radial capillary seal for fluid dynamic bearing motors
Publication number
20050286820
Publication date
Dec 29, 2005
Seagate Technology LLC
Alan L. Grantz
G11 - INFORMATION STORAGE
Information
Patent Application
FDB motor with tapered shaft for improved pumping efficiency
Publication number
20050207913
Publication date
Sep 22, 2005
Seagate Technology LLC
Jeffry A. Leblanc
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Lubricant reservoir for gas bearing
Publication number
20040264818
Publication date
Dec 30, 2004
Gregory Ian Rudd
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Fluid dynamic bearing with wear resilient surface
Publication number
20040233576
Publication date
Nov 25, 2004
Raquib Uddin Khan
G11 - INFORMATION STORAGE
Information
Patent Application
Refinement of spindle motor bearing gap
Publication number
20040120072
Publication date
Jun 24, 2004
Mohammad Mahbubul Ameen
G11 - INFORMATION STORAGE
Information
Patent Application
Dynamic tilt limiter for fluid dynamic bearings
Publication number
20040012287
Publication date
Jan 22, 2004
Klaus Kloeppel
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Low friction, wear resistant coatings for high speed spindle motors...
Publication number
20030235006
Publication date
Dec 25, 2003
Mohammad Mahbubul Ameen
G11 - INFORMATION STORAGE
Information
Patent Application
Radial capillary seal for fluid dynamic bearing motors
Publication number
20030190100
Publication date
Oct 9, 2003
Alan L. Grantz
G11 - INFORMATION STORAGE
Information
Patent Application
Antiwear lubrication coating for bearing surfaces for hydrodynamic...
Publication number
20030147569
Publication date
Aug 7, 2003
Seagate Technology LLC
Raquib Uddin Khan
G11 - INFORMATION STORAGE
Information
Patent Application
High adhesion, wear resistant coatings for spindle motors in disk d...
Publication number
20030094869
Publication date
May 22, 2003
Seagate Technology, LLC
Mohammad M. Ameen
G11 - INFORMATION STORAGE
Information
Patent Application
Hydrodynamic fluid bearing containing lubricants with reduced bubbl...
Publication number
20030086203
Publication date
May 8, 2003
Raquib Uddin Khan
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Hydrodynamic fluid bearing containing lubricants with reduced tempe...
Publication number
20030076624
Publication date
Apr 24, 2003
Raquib U. Khan
G11 - INFORMATION STORAGE
Information
Patent Application
Hydrodynamic fluid bearing with gall resistant interface
Publication number
20030048574
Publication date
Mar 13, 2003
Seagate Technology, LLC
Raquib U. Khan
G11 - INFORMATION STORAGE