Inventor

Raquib Uddin Khan

Inventor

Pleasanton, CA, US

Overview

1996–2015

Patent span

Physics

Primary field (CPC G)

Patents· 38 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary

G11BInformation storage based on relative movement between record carrier and transducer41%

F16CShafts36%

C10MLubricating compositions5%

C10NIndexing scheme associated with subclass c10m relating to lubricating compositions5%

H02KDynamo-electric machines5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

B64CAeroplanes1%

B64DEquipment for fitting in or to aircraft1%

F16JPistons1%

PatentTitleYear

9,111,585'Electrostatic discharge apparatus for hub and spindle assemblies'2015 7,843,664'Electrostatic discharge apparatus for hub and spindle assemblies'2010 7,378,771'FDB motor with tapered shaft for improved pumping efficiency'2008 7,241,051'Radial capillary seal for fluid dynamic bearing motors'2007 7,135,797'Fluid dynamic bearing with wear resilient surface'2006 6,961,213'Disk drive spindle motor having hydrodynamic bearing working surface with low friction layer formed on wear resistant layer'2005 6,961,214'Refinement of spindle motor bearing gap'2005 6,955,472'Lubricant reservoir for gas bearing'2005 6,952,324'Hydrodynamic fluid bearing containing lubricants with reduced temperature sensitivity for disk drive application'2005 6,927,515'Dynamic tilt limiter for fluid dynamic bearings'2005 6,776,529'Antiwear lubrication coating for bearing surfaces for hydrodynamic fluid bearings'2004 6,749,340'Lubricant reservoir for gas bearing'2004 6,679,501'Motor with stationary shaft and high speed capillary seal'2004 6,678,115'Hydrodynamic fluid bearing containing lubricants with reduced bubble forming tendency for disk drive application'2004 6,664,685'High adhesion, wear resistant coatings for spindle motors in disk drive/storage applications'2003 6,421,201'Outcast and reduction of lubricants from spindle motor by utilizing a condensation seal'2002 6,417,987'Disc drive contamination reduction utilizing an inert coating'2002 6,394,654'Antiwear lubrication coating for bearing surfaces for hydrodynamic fluid bearings'2002 6,292,328'Both ends open fluid dynamic bearing having a journal in combination with a conical bearing'2001 6,242,831'Reduced stiction for disc drive hydrodynamic spindle motors'2001 6,239,943'Squeeze film damping for a hard disc drive'2001 6,137,650'Spindle motor with fluid dynamic bearing having a journal bearing in combination with a conical bearing'2000 6,130,802'Both ends open fluid dynamic bearing having a journal in combination with a conical bearing'2000 6,069,767'Both ends open fluid dynamic bearing with multiple thrust plates'2000 6,069,768'Spindle motor with multiple thrust plate fluid dynamic bearing'2000 6,065,877'Thermal compensation for fluid dynamic bearing using bimetal parts'2000 6,005,748'Spindle motor with multiple thrust plate fluid dynamic bearing'1999 5,997,179'Multifluid application in hydrodynamic fluid bearing to reduce evaporation and control stiffness and other bearing performance'1999 5,993,066'Fluid retention principle for hydrodynamic bearings'1999 5,940,246'Disc drive hydro bearing lubricant with electrically conductive, non-metallic additive'1999 5,930,075'Disc drive spindle motor having hydro bearing with optimized lubricant viscosity'1999 5,907,456'Disc drive spindle motor having hydro bearing with lubricant optimized with disc drive compatible additives'1999 5,841,607'Hydrodynamic seal for disc drive spindle motor'1998 5,697,708'Hydrodynamic bearing with reduced temperature sensitivity'1997 5,685,647'Single plate hydrodynamic bearing with self-balancing fluid level and fluid circulation'1997 5,678,929'Grooved hydrodynamic bearing arrangement including a porous lubricant reservoir'1997 5,524,986'Fluid retention principles for hydrodynamic bearings'1996 5,487,608'Single plate hydrodynamic bearing with self-balancing fluid level and fluid circulation'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2001Patents assigned to SEAGATE TECHNOLOGY (16)· patent assignee history

1996–2015Based in Pleasanton, CA, US· patent location history

2000–2015Patents assigned to SEAGATE TECHNOLOGY LLC (21)· patent assignee history

2015Patents assigned to AIELLO ANTHONY JOSEPH (1)· patent assignee history

2015Patents assigned to FLORES PACO (1)· patent assignee history

2015Patents assigned to KHAN RAQUIB UDDIN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEAGATE TECHNOLOGY LLC	21	2000–2015
SEAGATE TECHNOLOGY	16	1996–2001
AIELLO ANTHONY JOSEPH	1	2015
FLORES PACO	1	2015
KHAN RAQUIB UDDINself	1	2015

Locations

Location	Patents	Span
Pleasanton, California, US	38	1996–2015