Inventor · San Jose, CA, US

James Terrence Olson

27Patents
10h-index
38Co-inventors
75Inventor score

Filing activity: Sep 30, 1992 → Jan 9, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US10366714B1 Magnetic write head for providing spin-torque-assisted write field enhancement Physics 95 Active
US7791839B2 Thermally-assisted perpendicular magnetic recording system with write pole surrounding an optical channel and having recessed pole tip Physics 61 Active
US5311290A Imaging apparatus and method of fiber analysis Physics 58 Expired
US8792210B2 Asymmetric writer for shingled magnetic recording Physics 43 Active
US7894159B2 Perpendicular write head with independent trailing shield designs Physics 30 Active
US8208228B2 Current-perpendicular-to-the-plane (CPP) magnetoresistive read head with multiple sensing elements for patterned-media Physics 27 Active
US7768729B2 Method, system, and computer program product for estimating adjacent track erasure risk by determining erase band width growth rates Physics 18 Active
US8310786B2 Asymmetric writer for shingled magnetic recording Physics 14 Active
US7652954B2 Thermally assisted recording head with magnetic pole integrated into optical aperture for dual gradient recording Physics 13 Active
US7469274B1 System and method for identifying third party copy devices Physics 10 Expired
US11508401B1 Magnetic recording devices having cross-track current flow to facilitate downtrack magnetic field enhancements Physics 8 Active
US7532432B2 Perpendicular magnetic recording system with medium having thin soft underlayer and recording head having thick-throat trailing shield Physics 7 Active
US7732071B2 Perpendicular magnetic recording system with patterned medium and manufacturing process for the medium Physics 6 Active
US11900971B1 Magnetic recording head with assisting electric current in trailing shield Physics 5 Active
US11881237B1 Cross track current design for energy assisted magnetic recording Physics 5 Active
US10546603B2 Magnetic write head for providing spin-torque-assisted write field enhancement Physics 4 Active
US11011190B2 Magnetic write head with write-field enhancement structure including a magnetic notch Physics 4 Active
US8094403B2 Correcting errors in position of an HDD write-head Physics 4 Active
US11869548B1 Magnetic recording devices having external alternating current sources Physics 4 Active
US10706877B2 Spin torque layer in side gap for improved field and cross track field gradient Physics 3 Active
US11894026B1 Magnetic recording head having leads over the trailing shield for assisting electric currents Physics 3 Active
US10811039B2 Magnetic write head for providing spin-torque-assisted write field enhancement Physics 3 Active
US7538961B2 Using inductance to measure writer spacing in perpendicular magnetic recording Physics 2 Active
US7203607B2 System and method for determining intergranular exchange in perpendicular recording media Physics 1 Expired
US12315538B2 Magnetic recording head with assisting electric current in trailing shield Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.