Inventor

David W. Albrecht

Inventor

San Jose, CA, US

Overview

1986–2010

Patent span

Physics

Primary field (CPC G)

Patents· 36 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 transducer63%

H02KDynamo-electric machines10%

F16CShafts8%

Y10TTechnical subjects covered by former us classification8%

G06FElectric digital data processing4%

F16FSprings2%

H01BCables2%

H05KPrinted circuits2%

Y02PClimate change mitigation technologies in the production or processing of goods2%

PatentTitleYear

7,652,843'Completely circumferential motor bracket shroud for motor hub flange outside diameter for hard disk drive'2010 7,518,823'Spindle motor winding for miniature hard disk drive'2009 7,260,885'System and method for rigidly coupling a disk drive to a chassis of a computer'2007 7,215,506'Hard disk drive (HDD) assembly of small form-factor HDD shock-mounted in frame having dimensions of larger form-factor HDD'2007 7,196,902'Disk drive coupling apparatus for rigidly coupling a disk drive to a chassis of a computer'2007 7,123,440'Hermetically sealed electronics arrangement and approach'2006 7,106,582'Shock mount assembly for attachment of an electronic device to a support structure'2006 7,012,782'Method of attenuating airflow disturbances in a hard disk drive with a circumferential motor bracket shroud for motor hub flange outside diameter'2006 6,815,850'Flux leakage barrier in fluid bearing for disk drive'2004 6,556,374'Spindle motor-having improved bonding between its bearing cartridge and hub'2003 6,486,578'Spindle motor and disk unit'2002 6,487,053'System for improved assembly and manufacture of miniature data recording devices and head stack assemblies'2002 6,442,828'Method of manufacturing a transducer suspension system'2002 6,393,511'Multi-track density direct access storage device'2002 6,327,115'Disk drive apparatus, attachment structure, and attachment method'2001 6,226,154'Asymmetric load/unload ramp and disk drive using same'2001 6,222,704'Suspension assembly with resilient shock bumpers for a disk drive device'2001 6,212,046'Arm assembly for a disk drive device and a method for fabricating the same'2001 6,185,075'Actuator arm assembly for a magnetic storage device'2001 6,072,664'Suspension assembly with resilient shock bumpers for a disk drive device'2000 6,067,209'Disk drive device with shock resistance flexure and ramp limited system'2000 6,055,133'Disk drive head support arm and arm assembly utilizing plural datum features'2000 6,052,258'Transducer suspension system'2000 6,034,843'Actuator arm assembly and wiring aparatus used in a disk storage system for wiring voice coil wires to a flex cable'2000 5,999,351'Multi-track density direct access storage device'1999 5,930,078'Automated head wire stringing, termination, and slider bonding suspension assembly with load/unload feature'1999 5,923,105'Disk drive in-hub radial-gap spindle motor with coils generating axial fields'1999 5,896,242'Spindle motor with stress alleviating groove provided in hub cylindrical protrusion portion'1999 5,875,171'Interlocking disk stack that prevents disk slip in a storage disk'1999 5,822,151'Disk drive apparatus'1998 5,821,494'Method of electrical connection between head transducer and suspension by solder wire bumping at slider level and laser reflow'1998 5,768,060'Low pofile radially and axially preloaded ball bearing for actuator pivot'1998 5,633,545'Disk drive in-hub radial-gap spindle motor with coils generating axial fields'1997 5,430,590'Spindle system for a disk drive'1995 5,328,272'Spindle system for a disk drive'1994 4,575,775'Magnetic recording disk having a sector servo pattern for use with a multiple element head'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2004Patents assigned to IBM (27)· patent assignee history

1986–2010Based in San Jose, CA, US· patent location history

2000–2003Based in Fujisawa, JP· patent location history

2003–2010Patents assigned to HITACHI GLOBAL STORAGE TECH (9)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IBM	27	1986–2004
HITACHI GLOBAL STORAGE TECH	9	2003–2010

Locations

Location	Patents	Span
San Jose, California, US	34	1986–2010
Fujisawa, JP	2	2000–2003