Alan Johnston has been granted 9 US patents while listed as an inventor at Seagate Technology . The first was granted in 1999 and the most recent in June 2012. Alan Johnston ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Alan Johnston in Glasgow, GB.
Patents per Year Patents granted per year, 1999 to 2012 Bar chart with a peak of 2 patents in 2010. peak 2 1999: 1 patents 1999 2001: 1 patents 2001 2002: 1 patents 2002 2003: 1 patents 2003 2004: 1 patents 2004 2007: 1 patents 2007 2010: 2 patents 2010 2012: 1 patents 2012
Issued Patents All Time
Profile Widget
Showing 1–9 of 9 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
8194508
Waveform based bit detection for bit patterned media
Dieter K. Weller , Mark Anthony Gubbins
2012-06-05
$8,263,000
7835110
MEMS disc drive
Roger L. Hipwell, Jr. , Hans Leuthold , Song S. Xue , Nurul Amin , Andrew White +6 more
2010-11-16
$14,287,000
7826171
Interconnect architecture for disc drive array
Roger L. Hipwell, Jr. , Hans Leuthold , Song S. Xue , Nurul Amin , Andrew White +6 more
2010-11-02
$4,037,000
7233457
Head for perpendicular recording with reduced erasure
Mark Anthony Gubbins , William J. O'Kane
2007-06-19
$87,532,000
6807027
Ruthenium as non-magnetic seedlayer for electrodeposition
Peter McGeehin , Alison M. Bell
2004-10-19
$15,698,000
6597545
Shield design for magnetoresistive sensor
Declan Macken , Harry Sam Edelman
2003-07-22
$15,995,000
6456460
Track width definition by patterning of shared pole for integrated thin film/magnetoresistive head
Maura P. Connolly , Mark Troutman , David Hutson
2002-09-24
6222702
Magnetic read element shield having dimensions that minimize domain wall movement
Declan Macken , Gregory S. Mowry , Charles H. Tolman
2001-04-24
5986856
Magnetoresistive sensor with improved stability
Declan Macken
1999-11-16
$11,168,000