IM

Ian Robson McFadyen

HG HGST: 10 patents #176 of 1,677Top 15%
WT Western Digital Technologies: 10 patents #328 of 3,180Top 15%
HB Hgst Netherlands, B.V.: 2 patents #341 of 972Top 40%
IBM: 1 patents #44,794 of 70,183Top 65%
📍 San Jose, CA: #2,767 of 32,062 inventorsTop 9%
🗺 California: #24,270 of 386,348 inventorsTop 7%
Overall (All Time): #178,843 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
12322422 Servo-write for magnetic disk media archival data storage system Toshiki Hirano, Guoxiao Guo 2025-06-03
11615804 Disk drive biasing two write assist elements using three terminal control circuitry Joey M. Poss, John Contreras, Yaw-Shing Tang 2023-03-28
11276424 Data storage devices with integrated slider voltage potential control John Contreras, Yunfei Ding, Kuok San Ho, Joey M. Poss 2022-03-15
11087784 Data storage devices with integrated slider voltage potential control John Contreras, Yunfei Ding, Kuok San Ho, Joey M. Poss 2021-08-10
10891973 High-bandwidth STO bias architecture with integrated slider voltage potential control John Contreras, Yunfei Ding, Kuok San Ho, Joey M. Poss 2021-01-12
10825474 Data storage device reverse biasing head element to counter electro-migration Joey M. Poss, Jih-Shiuan Luo, Yunfei Ding 2020-11-03
10629229 High-bandwidth STO bias architecture with integrated slider voltage potential control John Contreras, Yunfei Ding, Kuok San Ho, Joey M. Poss 2020-04-21
10566018 Data storage device reverse biasing head element to counter electro-migration Joey M. Poss, Jih-Shiuan Luo, Yunfei Ding 2020-02-18
10424323 High-bandwidth STO bias architecture with integrated slider voltage potential control John Contreras, Yunfei Ding, Kuok San Ho, Joey M. Poss 2019-09-24
9564163 Implementing dual partially independent thermal flyheight control (TFC) for hard disk drives John Contreras, Erhard Schreck 2017-02-07
8514518 Flat E-yoke for cusp write head Petrus Antonius Van Der Heijden 2013-08-20
8390962 Lapping method and station to achieve tight dimension controls for both read and write elements of magnetic recording heads and magnetic storage device formed thereby Jeffrey P. Gunder, Darrick T. Smith, Scott Thomas, Xiao Z. Wu 2013-03-05
7591064 Method of fabrication for tape medium read head with unitary formation of multiple elements 2009-09-22
7459198 Stress relief for electroplated films Christian Rene Bonhote, Heather K. DeSimone, John W. Lam, Matthew Last, Edward Hin Pong Lee 2008-12-02
7382586 Magnetic read sensor employing oblique etched underlayers for inducing uniaxial magnetic anisotropy in a self biased free layer Matthew J. Carey, Jeffrey R. Childress, James L. Nix, Stefan Maat 2008-06-03
7296337 Notched trailing shield for perpendicular write head 2007-11-20
7271982 Perpendicular magnetic recording head built using an air-bearing surface damascene process Scott A. MacDonald, Neil Leslie Robertson 2007-09-18
7212379 Perpendicular magnetic recording head with flare and taper configurations Yimin Hsu, Quang Le, Jui-Lung Li, James L. Nix, Neil Leslie Robertson +1 more 2007-05-01
7168939 System, method, and apparatus for multilevel UV molding lithography for air bearing surface patterning Alexander Bietsch, Michael W. Chaw, Ashok Lahiri, Bruno Michel, Mark C. Thurber 2007-01-30
6944937 Method of reducing ESD damage in thin film read heads which enables measurement of gap resistance Richard Hsiao, James Jarratt, Emo Hilbrand Klaassen, Timothy J. Moran 2005-09-20
6861177 Method of forming a read sensor using a lift-off mask having a hardmask layer and a release layer Mustafa Pinarbasi, Alfred Renaldo, Randall George Simmons, Douglas Johnson Werner 2005-03-01
6678127 Device and method of reducing ESD damage in thin film read heads which enables measurement of gap resistances and method of making Richard Hsiao, James Jarratt, Emo Hilbrand Klaassen, Timothy J. Moran 2004-01-13
6195227 Integrated 3D limiters for microactuators Long-Sheng Fan, Toshiki Hirano, Francis Chee-Shuen Lee 2001-02-27