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Inventor

James P. R. McFadyen

Inventor
Redwood City, CA, US

Overview

11→
Patents
2009–2015
Patent span
Physics
Primary field (CPC G)

Patents· 11 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 transducer83%
H04KSecret communication8%
H04LTransmission of digital information, e.g. telegraphic communication8%
PatentTitleYear
8,947,811'Disk drive using preamble and postamble to adjust asynchronous signal samples of payload'20158,949,169'Methods and apparatus for analyzing system events'20158,773,793'Disk drive selecting target response based on identified response'20148,730,610'Closed loop fly height control'20148,654,466'Calculation of head media separation (HMS) from servo preamble in a hard disk drive'20148,320,069'Disk drive detecting positive correlation in fly height measurements'20128,300,338'Disk drive correlating different fly height measurements to verify disk warpage'20128,059,357'Disk drive adjusting fly height when calibrating head/disk contact'20117,916,420'Disk drive employing comb filter for repeatable fly height compensation'20117,724,461'Determining head non-linearity in a disk drive'20107,589,936'Center-tapped write coil'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2014Patents assigned to SEAGATE TECHNOLOGY LLC (2)· patent assignee history
2009–2015Based in Redwood City, CA, US· patent location history
2010–2015Patents assigned to WESTERN DIGITAL TECH INC (8)· patent assignee history
2011–2014Patents assigned to MCFADYEN JAMES P R (5)· patent assignee history
2011–2012Patents assigned to KNIGGE BERNHARD E (2)· patent assignee history
2014–2015Patents assigned to MCFADYEN JAMES (2)· patent assignee history
2015Based in Dallas, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WESTERN DIGITAL TECH INC82010–2015
MCFADYEN JAMES P Rself52011–2014
KNIGGE BERNHARD E22011–2012
MCFADYEN JAMESself22014–2015
SEAGATE TECHNOLOGY LLC22009–2014
Locations
LocationPatentsSpan
Redwood City, California, US102009–2015
Dallas, Texas, US12015