Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Alan Johnston — 9 Patents

STSeagate Technology: 9 patents #735 of 4,722Top 20%
Glasgow, GB: #33 of 809 inventorsTop 5%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
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 2012Bar chart with a peak of 2 patents in 2010.peak 21999: 1 patents19992001: 1 patents20012002: 1 patents20022003: 1 patents20032004: 1 patents20042007: 1 patents20072010: 2 patents20102012: 1 patents2012

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox 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