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Inventor

Steven J. Alfred

Inventor
Longmont, CO, US

Overview

6→
Patents
1998–2009
Patent span
Physics
Primary field (CPC G)

Patents· 6 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 transducer100%
PatentTitleYear
7,570,445'Adaptively adjusting seek function control parameters based on off-track write events'20097,064,922'Disk drive with disks having different disk stiffness, thickness and material combinations'20066,791,791'Disk drive with disks having different disk stiffness, thickness and material combinations'20046,707,637'Disk drive including disk spacer with different side surface patterns'20046,101,065'Disk drive with seek profile selection based on read/write operation'20005,790,348'Head stack assembly having a coil portion for damping vibrations which includes elongated openings in the plastic portion'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2000Patents assigned to WESTERN DIGITAL CORP (2)· patent assignee history
1998Based in Rochester, MN, US· patent location history
2000Based in Chatfield, MN, US· patent location history
2004–2006Patents assigned to WESTERN DIGITAL TECH INC (3)· patent assignee history
2004–2009Based in Longmont, CO, US· patent location history
2009Patents assigned to SEAGATE TECHNOLOGY LLC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WESTERN DIGITAL TECH INC32004–2006
WESTERN DIGITAL CORP21998–2000
SEAGATE TECHNOLOGY LLC12009
Locations
LocationPatentsSpan
Longmont, CO, US42004–2009
Chatfield, Minnesota, US12000
Rochester, Minnesota, US11998